21231796340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{191519}}^1$

素因数の和:191792

約数の個数: 48

約数和(自身を含む): 46718622720

約数和(自身を除く): 25486826380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 241, 460, 482, 964, 1205, 2410, 4820, 5543, 11086, 22172, 27715, 55430, 110860, 191519, 383038, 766076, 957595, 1915190, 3830380, 4404937, 8809874, 17619748, 22024685, 44049370, 46156079, 88098740, 92312158, 184624316, 230780395, 461560790, 923121580, 1061589817, 2123179634, 4246359268, 5307949085, 10615898170, 21231796340]

約数ペア:

[(1, 21231796340), (2, 10615898170), (4, 5307949085), (5, 4246359268), (10, 2123179634), (20, 1061589817), (23, 923121580), (46, 461560790), (92, 230780395), (115, 184624316), (230, 92312158), (241, 88098740), (460, 46156079), (482, 44049370), (964, 22024685), (1205, 17619748), (2410, 8809874), (4820, 4404937), (5543, 3830380), (11086, 1915190), (22172, 957595), (27715, 766076), (55430, 383038), (110860, 191519)]