21570458

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5153}}^1$

素因数の和:5198

約数の個数: 32

約数和(自身を含む): 41561856

約数和(自身を除く): 19991398

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 5153, 10306, 36071, 66989, 72142, 118519, 133978, 237038, 468923, 829633, 937846, 1540747, 1659266, 3081494, 10785229, 21570458]

約数ペア:

[(1, 21570458), (2, 10785229), (7, 3081494), (13, 1659266), (14, 1540747), (23, 937846), (26, 829633), (46, 468923), (91, 237038), (161, 133978), (182, 118519), (299, 72142), (322, 66989), (598, 36071), (2093, 10306), (4186, 5153)]