21212200

素因数分解:

$2^3\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1583}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 50086080

約数和(自身を除く): 28873880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 134, 200, 268, 335, 536, 670, 1340, 1583, 1675, 2680, 3166, 3350, 6332, 6700, 7915, 12664, 13400, 15830, 31660, 39575, 63320, 79150, 106061, 158300, 212122, 316600, 424244, 530305, 848488, 1060610, 2121220, 2651525, 4242440, 5303050, 10606100, 21212200]

約数ペア:

[(1, 21212200), (2, 10606100), (4, 5303050), (5, 4242440), (8, 2651525), (10, 2121220), (20, 1060610), (25, 848488), (40, 530305), (50, 424244), (67, 316600), (100, 212122), (134, 158300), (200, 106061), (268, 79150), (335, 63320), (536, 39575), (670, 31660), (1340, 15830), (1583, 13400), (1675, 12664), (2680, 7915), (3166, 6700), (3350, 6332)]