21269250

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 62000640

約数和(自身を除く): 40731390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 27, 30, 45, 46, 50, 54, 69, 75, 90, 115, 125, 135, 137, 138, 150, 207, 225, 230, 250, 270, 274, 345, 375, 411, 414, 450, 575, 621, 675, 685, 690, 750, 822, 1035, 1125, 1150, 1233, 1242, 1350, 1370, 1725, 2055, 2070, 2250, 2466, 2875, 3105, 3151, 3375, 3425, 3450, 3699, 4110, 5175, 5750, 6165, 6210, 6302, 6750, 6850, 7398, 8625, 9453, 10275, 10350, 12330, 15525, 15755, 17125, 17250, 18495, 18906, 20550, 25875, 28359, 30825, 31050, 31510, 34250, 36990, 47265, 51375, 51750, 56718, 61650, 77625, 78775, 85077, 92475, 94530, 102750, 141795, 154125, 155250, 157550, 170154, 184950, 236325, 283590, 308250, 393875, 425385, 462375, 472650, 708975, 787750, 850770, 924750, 1181625, 1417950, 2126925, 2363250, 3544875, 4253850, 7089750, 10634625, 21269250]

約数ペア:

[(1, 21269250), (2, 10634625), (3, 7089750), (5, 4253850), (6, 3544875), (9, 2363250), (10, 2126925), (15, 1417950), (18, 1181625), (23, 924750), (25, 850770), (27, 787750), (30, 708975), (45, 472650), (46, 462375), (50, 425385), (54, 393875), (69, 308250), (75, 283590), (90, 236325), (115, 184950), (125, 170154), (135, 157550), (137, 155250), (138, 154125), (150, 141795), (207, 102750), (225, 94530), (230, 92475), (250, 85077), (270, 78775), (274, 77625), (345, 61650), (375, 56718), (411, 51750), (414, 51375), (450, 47265), (575, 36990), (621, 34250), (675, 31510), (685, 31050), (690, 30825), (750, 28359), (822, 25875), (1035, 20550), (1125, 18906), (1150, 18495), (1233, 17250), (1242, 17125), (1350, 15755), (1370, 15525), (1725, 12330), (2055, 10350), (2070, 10275), (2250, 9453), (2466, 8625), (2875, 7398), (3105, 6850), (3151, 6750), (3375, 6302), (3425, 6210), (3450, 6165), (3699, 5750), (4110, 5175)]