21914340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{52177}}^1$

素因数の和:52196

約数の個数: 48

約数和(自身を含む): 70127232

約数和(自身を除く): 48212892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 52177, 104354, 156531, 208708, 260885, 313062, 365239, 521770, 626124, 730478, 782655, 1043540, 1095717, 1460956, 1565310, 1826195, 2191434, 3130620, 3652390, 4382868, 5478585, 7304780, 10957170, 21914340]

約数ペア:

[(1, 21914340), (2, 10957170), (3, 7304780), (4, 5478585), (5, 4382868), (6, 3652390), (7, 3130620), (10, 2191434), (12, 1826195), (14, 1565310), (15, 1460956), (20, 1095717), (21, 1043540), (28, 782655), (30, 730478), (35, 626124), (42, 521770), (60, 365239), (70, 313062), (84, 260885), (105, 208708), (140, 156531), (210, 104354), (420, 52177)]