21914620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12041}}^1$

素因数の和:12070

約数の個数: 48

約数和(自身を含む): 56645568

約数和(自身を除く): 34730948

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 12041, 24082, 48164, 60205, 84287, 120410, 156533, 168574, 240820, 313066, 337148, 421435, 626132, 782665, 842870, 1095731, 1565330, 1685740, 2191462, 3130660, 4382924, 5478655, 10957310, 21914620]

約数ペア:

[(1, 21914620), (2, 10957310), (4, 5478655), (5, 4382924), (7, 3130660), (10, 2191462), (13, 1685740), (14, 1565330), (20, 1095731), (26, 842870), (28, 782665), (35, 626132), (52, 421435), (65, 337148), (70, 313066), (91, 240820), (130, 168574), (140, 156533), (182, 120410), (260, 84287), (364, 60205), (455, 48164), (910, 24082), (1820, 12041)]