21112650

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:438

約数の個数: 120

約数和(自身を含む): 63331884

約数和(自身を除く): 42219234

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 81, 90, 117, 130, 135, 150, 162, 195, 225, 234, 270, 325, 351, 390, 401, 405, 450, 585, 650, 675, 702, 802, 810, 975, 1053, 1170, 1203, 1350, 1755, 1950, 2005, 2025, 2106, 2406, 2925, 3510, 3609, 4010, 4050, 5213, 5265, 5850, 6015, 7218, 8775, 10025, 10426, 10530, 10827, 12030, 15639, 17550, 18045, 20050, 21654, 26065, 26325, 30075, 31278, 32481, 36090, 46917, 52130, 52650, 54135, 60150, 64962, 78195, 90225, 93834, 108270, 130325, 140751, 156390, 162405, 180450, 234585, 260650, 270675, 281502, 324810, 390975, 422253, 469170, 541350, 703755, 781950, 812025, 844506, 1172925, 1407510, 1624050, 2111265, 2345850, 3518775, 4222530, 7037550, 10556325, 21112650]

約数ペア:

[(1, 21112650), (2, 10556325), (3, 7037550), (5, 4222530), (6, 3518775), (9, 2345850), (10, 2111265), (13, 1624050), (15, 1407510), (18, 1172925), (25, 844506), (26, 812025), (27, 781950), (30, 703755), (39, 541350), (45, 469170), (50, 422253), (54, 390975), (65, 324810), (75, 281502), (78, 270675), (81, 260650), (90, 234585), (117, 180450), (130, 162405), (135, 156390), (150, 140751), (162, 130325), (195, 108270), (225, 93834), (234, 90225), (270, 78195), (325, 64962), (351, 60150), (390, 54135), (401, 52650), (405, 52130), (450, 46917), (585, 36090), (650, 32481), (675, 31278), (702, 30075), (802, 26325), (810, 26065), (975, 21654), (1053, 20050), (1170, 18045), (1203, 17550), (1350, 15639), (1755, 12030), (1950, 10827), (2005, 10530), (2025, 10426), (2106, 10025), (2406, 8775), (2925, 7218), (3510, 6015), (3609, 5850), (4010, 5265), (4050, 5213)]