21529650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8443}}^1$

素因数の和:8475

約数の個数: 48

約数和(自身を含む): 56541024

約数和(自身を除く): 35011374

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 425, 510, 850, 1275, 2550, 8443, 16886, 25329, 42215, 50658, 84430, 126645, 143531, 211075, 253290, 287062, 422150, 430593, 633225, 717655, 861186, 1266450, 1435310, 2152965, 3588275, 4305930, 7176550, 10764825, 21529650]

約数ペア:

[(1, 21529650), (2, 10764825), (3, 7176550), (5, 4305930), (6, 3588275), (10, 2152965), (15, 1435310), (17, 1266450), (25, 861186), (30, 717655), (34, 633225), (50, 430593), (51, 422150), (75, 287062), (85, 253290), (102, 211075), (150, 143531), (170, 126645), (255, 84430), (425, 50658), (510, 42215), (850, 25329), (1275, 16886), (2550, 8443)]