21501840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89591}}^1$

素因数の和:89607

約数の個数: 40

約数和(自身を含む): 66656448

約数和(自身を除く): 45154608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89591, 179182, 268773, 358364, 447955, 537546, 716728, 895910, 1075092, 1343865, 1433456, 1791820, 2150184, 2687730, 3583640, 4300368, 5375460, 7167280, 10750920, 21501840]

約数ペア:

[(1, 21501840), (2, 10750920), (3, 7167280), (4, 5375460), (5, 4300368), (6, 3583640), (8, 2687730), (10, 2150184), (12, 1791820), (15, 1433456), (16, 1343865), (20, 1075092), (24, 895910), (30, 716728), (40, 537546), (48, 447955), (60, 358364), (80, 268773), (120, 179182), (240, 89591)]