21465900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 216

約数和(自身を含む): 75557664

約数和(自身を除く): 54091764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 25, 30, 34, 36, 45, 46, 50, 51, 60, 61, 68, 69, 75, 85, 90, 92, 100, 102, 115, 122, 138, 150, 153, 170, 180, 183, 204, 207, 225, 230, 244, 255, 276, 300, 305, 306, 340, 345, 366, 391, 414, 425, 450, 460, 510, 549, 575, 610, 612, 690, 732, 765, 782, 828, 850, 900, 915, 1020, 1035, 1037, 1098, 1150, 1173, 1220, 1275, 1380, 1403, 1525, 1530, 1564, 1700, 1725, 1830, 1955, 2070, 2074, 2196, 2300, 2346, 2550, 2745, 2806, 3050, 3060, 3111, 3450, 3519, 3660, 3825, 3910, 4140, 4148, 4209, 4575, 4692, 5100, 5175, 5185, 5490, 5612, 5865, 6100, 6222, 6900, 7015, 7038, 7650, 7820, 8418, 9150, 9333, 9775, 10350, 10370, 10980, 11730, 12444, 12627, 13725, 14030, 14076, 15300, 15555, 16836, 17595, 18300, 18666, 19550, 20700, 20740, 21045, 23460, 23851, 25254, 25925, 27450, 28060, 29325, 31110, 35075, 35190, 37332, 39100, 42090, 46665, 47702, 50508, 51850, 54900, 58650, 62220, 63135, 70150, 70380, 71553, 77775, 84180, 87975, 93330, 95404, 103700, 105225, 117300, 119255, 126270, 140300, 143106, 155550, 175950, 186660, 210450, 214659, 233325, 238510, 252540, 286212, 311100, 315675, 351900, 357765, 420900, 429318, 466650, 477020, 596275, 631350, 715530, 858636, 933300, 1073295, 1192550, 1262700, 1431060, 1788825, 2146590, 2385100, 3577650, 4293180, 5366475, 7155300, 10732950, 21465900]

約数ペア:

[(1, 21465900), (2, 10732950), (3, 7155300), (4, 5366475), (5, 4293180), (6, 3577650), (9, 2385100), (10, 2146590), (12, 1788825), (15, 1431060), (17, 1262700), (18, 1192550), (20, 1073295), (23, 933300), (25, 858636), (30, 715530), (34, 631350), (36, 596275), (45, 477020), (46, 466650), (50, 429318), (51, 420900), (60, 357765), (61, 351900), (68, 315675), (69, 311100), (75, 286212), (85, 252540), (90, 238510), (92, 233325), (100, 214659), (102, 210450), (115, 186660), (122, 175950), (138, 155550), (150, 143106), (153, 140300), (170, 126270), (180, 119255), (183, 117300), (204, 105225), (207, 103700), (225, 95404), (230, 93330), (244, 87975), (255, 84180), (276, 77775), (300, 71553), (305, 70380), (306, 70150), (340, 63135), (345, 62220), (366, 58650), (391, 54900), (414, 51850), (425, 50508), (450, 47702), (460, 46665), (510, 42090), (549, 39100), (575, 37332), (610, 35190), (612, 35075), (690, 31110), (732, 29325), (765, 28060), (782, 27450), (828, 25925), (850, 25254), (900, 23851), (915, 23460), (1020, 21045), (1035, 20740), (1037, 20700), (1098, 19550), (1150, 18666), (1173, 18300), (1220, 17595), (1275, 16836), (1380, 15555), (1403, 15300), (1525, 14076), (1530, 14030), (1564, 13725), (1700, 12627), (1725, 12444), (1830, 11730), (1955, 10980), (2070, 10370), (2074, 10350), (2196, 9775), (2300, 9333), (2346, 9150), (2550, 8418), (2745, 7820), (2806, 7650), (3050, 7038), (3060, 7015), (3111, 6900), (3450, 6222), (3519, 6100), (3660, 5865), (3825, 5612), (3910, 5490), (4140, 5185), (4148, 5175), (4209, 5100), (4575, 4692)]