21177858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4451}}^1$

素因数の和:4530

約数の個数: 32

約数和(自身を含む): 46372032

約数和(自身を除く): 25194174

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 366, 793, 1586, 2379, 4451, 4758, 8902, 13353, 26706, 57863, 115726, 173589, 271511, 347178, 543022, 814533, 1629066, 3529643, 7059286, 10588929, 21177858]

約数ペア:

[(1, 21177858), (2, 10588929), (3, 7059286), (6, 3529643), (13, 1629066), (26, 814533), (39, 543022), (61, 347178), (78, 271511), (122, 173589), (183, 115726), (366, 57863), (793, 26706), (1586, 13353), (2379, 8902), (4451, 4758)]