21425690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14983}}^1$

素因数の和:15014

約数の個数: 32

約数和(自身を含む): 45311616

約数和(自身を除く): 23885926

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14983, 29966, 74915, 149830, 164813, 194779, 329626, 389558, 824065, 973895, 1648130, 1947790, 2142569, 4285138, 10712845, 21425690]

約数ペア:

[(1, 21425690), (2, 10712845), (5, 4285138), (10, 2142569), (11, 1947790), (13, 1648130), (22, 973895), (26, 824065), (55, 389558), (65, 329626), (110, 194779), (130, 164813), (143, 149830), (286, 74915), (715, 29966), (1430, 14983)]