21373260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11491}}^1$

素因数の和:11534

約数の個数: 48

約数和(自身を含む): 61780992

約数和(自身を除く): 40407732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11491, 22982, 34473, 45964, 57455, 68946, 114910, 137892, 172365, 229820, 344730, 356221, 689460, 712442, 1068663, 1424884, 1781105, 2137326, 3562210, 4274652, 5343315, 7124420, 10686630, 21373260]

約数ペア:

[(1, 21373260), (2, 10686630), (3, 7124420), (4, 5343315), (5, 4274652), (6, 3562210), (10, 2137326), (12, 1781105), (15, 1424884), (20, 1068663), (30, 712442), (31, 689460), (60, 356221), (62, 344730), (93, 229820), (124, 172365), (155, 137892), (186, 114910), (310, 68946), (372, 57455), (465, 45964), (620, 34473), (930, 22982), (1860, 11491)]