21708930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2557}}^1$

素因数の和:2850

約数の個数: 32

約数和(自身を含む): 52305984

約数和(自身を除く): 30597054

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 283, 566, 849, 1415, 1698, 2557, 2830, 4245, 5114, 7671, 8490, 12785, 15342, 25570, 38355, 76710, 723631, 1447262, 2170893, 3618155, 4341786, 7236310, 10854465, 21708930]

約数ペア:

[(1, 21708930), (2, 10854465), (3, 7236310), (5, 4341786), (6, 3618155), (10, 2170893), (15, 1447262), (30, 723631), (283, 76710), (566, 38355), (849, 25570), (1415, 15342), (1698, 12785), (2557, 8490), (2830, 7671), (4245, 5114)]