21440910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2473}}^1$

素因数の和:2517

約数の個数: 48

約数和(自身を含む): 54685296

約数和(自身を除く): 33244386

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 289, 510, 578, 867, 1445, 1734, 2473, 2890, 4335, 4946, 7419, 8670, 12365, 14838, 24730, 37095, 42041, 74190, 84082, 126123, 210205, 252246, 420410, 630615, 714697, 1261230, 1429394, 2144091, 3573485, 4288182, 7146970, 10720455, 21440910]

約数ペア:

[(1, 21440910), (2, 10720455), (3, 7146970), (5, 4288182), (6, 3573485), (10, 2144091), (15, 1429394), (17, 1261230), (30, 714697), (34, 630615), (51, 420410), (85, 252246), (102, 210205), (170, 126123), (255, 84082), (289, 74190), (510, 42041), (578, 37095), (867, 24730), (1445, 14838), (1734, 12365), (2473, 8670), (2890, 7419), (4335, 4946)]