21893430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{769}}^1$

素因数の和:865

約数の個数: 64

約数和(自身を含む): 57435840

約数和(自身を除く): 35542410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 73, 78, 130, 146, 195, 219, 365, 390, 438, 730, 769, 949, 1095, 1538, 1898, 2190, 2307, 2847, 3845, 4614, 4745, 5694, 7690, 9490, 9997, 11535, 14235, 19994, 23070, 28470, 29991, 49985, 56137, 59982, 99970, 112274, 149955, 168411, 280685, 299910, 336822, 561370, 729781, 842055, 1459562, 1684110, 2189343, 3648905, 4378686, 7297810, 10946715, 21893430]

約数ペア:

[(1, 21893430), (2, 10946715), (3, 7297810), (5, 4378686), (6, 3648905), (10, 2189343), (13, 1684110), (15, 1459562), (26, 842055), (30, 729781), (39, 561370), (65, 336822), (73, 299910), (78, 280685), (130, 168411), (146, 149955), (195, 112274), (219, 99970), (365, 59982), (390, 56137), (438, 49985), (730, 29991), (769, 28470), (949, 23070), (1095, 19994), (1538, 14235), (1898, 11535), (2190, 9997), (2307, 9490), (2847, 7690), (3845, 5694), (4614, 4745)]