21601930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5059}}^1$

素因数の和:5134

約数の個数: 32

約数和(自身を含む): 45175680

約数和(自身を除く): 23573750

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 5059, 10118, 25295, 35413, 50590, 70826, 177065, 308599, 354130, 617198, 1542995, 2160193, 3085990, 4320386, 10800965, 21601930]

約数ペア:

[(1, 21601930), (2, 10800965), (5, 4320386), (7, 3085990), (10, 2160193), (14, 1542995), (35, 617198), (61, 354130), (70, 308599), (122, 177065), (305, 70826), (427, 50590), (610, 35413), (854, 25295), (2135, 10118), (4270, 5059)]