21607170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3259}}^1$

素因数の和:3299

約数の個数: 64

約数和(自身を含む): 59149440

約数和(自身を除く): 37542270

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3259, 3315, 6518, 6630, 9777, 16295, 19554, 32590, 42367, 48885, 55403, 84734, 97770, 110806, 127101, 166209, 211835, 254202, 277015, 332418, 423670, 554030, 635505, 720239, 831045, 1271010, 1440478, 1662090, 2160717, 3601195, 4321434, 7202390, 10803585, 21607170]

約数ペア:

[(1, 21607170), (2, 10803585), (3, 7202390), (5, 4321434), (6, 3601195), (10, 2160717), (13, 1662090), (15, 1440478), (17, 1271010), (26, 831045), (30, 720239), (34, 635505), (39, 554030), (51, 423670), (65, 332418), (78, 277015), (85, 254202), (102, 211835), (130, 166209), (170, 127101), (195, 110806), (221, 97770), (255, 84734), (390, 55403), (442, 48885), (510, 42367), (663, 32590), (1105, 19554), (1326, 16295), (2210, 9777), (3259, 6630), (3315, 6518)]