21100584

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 34195416

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 79, 93, 124, 158, 186, 237, 248, 316, 359, 372, 474, 632, 718, 744, 948, 1077, 1436, 1896, 2154, 2449, 2872, 4308, 4898, 7347, 8616, 9796, 11129, 14694, 19592, 22258, 28361, 29388, 33387, 44516, 56722, 58776, 66774, 85083, 89032, 113444, 133548, 170166, 226888, 267096, 340332, 680664, 879191, 1758382, 2637573, 3516764, 5275146, 7033528, 10550292, 21100584]

約数ペア:

[(1, 21100584), (2, 10550292), (3, 7033528), (4, 5275146), (6, 3516764), (8, 2637573), (12, 1758382), (24, 879191), (31, 680664), (62, 340332), (79, 267096), (93, 226888), (124, 170166), (158, 133548), (186, 113444), (237, 89032), (248, 85083), (316, 66774), (359, 58776), (372, 56722), (474, 44516), (632, 33387), (718, 29388), (744, 28361), (948, 22258), (1077, 19592), (1436, 14694), (1896, 11129), (2154, 9796), (2449, 8616), (2872, 7347), (4308, 4898)]