21037224130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161824801}}^1$

素因数の和:161824821

約数の個数: 16

約数和(自身を含む): 40779850104

約数和(自身を除く): 19742625974

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 161824801, 323649602, 809124005, 1618248010, 2103722413, 4207444826, 10518612065, 21037224130]

約数ペア:

[(1, 21037224130), (2, 10518612065), (5, 4207444826), (10, 2103722413), (13, 1618248010), (26, 809124005), (65, 323649602), (130, 161824801)]