21293796

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 51497600

約数和(自身を除く): 30203804

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 199, 222, 241, 398, 444, 482, 597, 723, 796, 964, 1194, 1446, 2388, 2892, 7363, 8917, 14726, 17834, 22089, 26751, 29452, 35668, 44178, 47959, 53502, 88356, 95918, 107004, 143877, 191836, 287754, 575508, 1774483, 3548966, 5323449, 7097932, 10646898, 21293796]

約数ペア:

[(1, 21293796), (2, 10646898), (3, 7097932), (4, 5323449), (6, 3548966), (12, 1774483), (37, 575508), (74, 287754), (111, 191836), (148, 143877), (199, 107004), (222, 95918), (241, 88356), (398, 53502), (444, 47959), (482, 44178), (597, 35668), (723, 29452), (796, 26751), (964, 22089), (1194, 17834), (1446, 14726), (2388, 8917), (2892, 7363)]