21294130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14891}}^1$

素因数の和:14922

約数の個数: 32

約数和(自身を含む): 45033408

約数和(自身を除く): 23739278

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14891, 29782, 74455, 148910, 163801, 193583, 327602, 387166, 819005, 967915, 1638010, 1935830, 2129413, 4258826, 10647065, 21294130]

約数ペア:

[(1, 21294130), (2, 10647065), (5, 4258826), (10, 2129413), (11, 1935830), (13, 1638010), (22, 967915), (26, 819005), (55, 387166), (65, 327602), (110, 193583), (130, 163801), (143, 148910), (286, 74455), (715, 29782), (1430, 14891)]