21097710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4423}}^1$

素因数の和:4489

約数の個数: 48

約数和(自身を含む): 55901664

約数和(自身を除く): 34803954

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4423, 4770, 8846, 13269, 22115, 26538, 39807, 44230, 66345, 79614, 132690, 199035, 234419, 398070, 468838, 703257, 1172095, 1406514, 2109771, 2344190, 3516285, 4219542, 7032570, 10548855, 21097710]

約数ペア:

[(1, 21097710), (2, 10548855), (3, 7032570), (5, 4219542), (6, 3516285), (9, 2344190), (10, 2109771), (15, 1406514), (18, 1172095), (30, 703257), (45, 468838), (53, 398070), (90, 234419), (106, 199035), (159, 132690), (265, 79614), (318, 66345), (477, 44230), (530, 39807), (795, 26538), (954, 22115), (1590, 13269), (2385, 8846), (4423, 4770)]