21587470

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19055090

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 830, 839, 1678, 2573, 4195, 5146, 8390, 12865, 25730, 26009, 52018, 69637, 130045, 139274, 260090, 348185, 696370, 2158747, 4317494, 10793735, 21587470]

約数ペア:

[(1, 21587470), (2, 10793735), (5, 4317494), (10, 2158747), (31, 696370), (62, 348185), (83, 260090), (155, 139274), (166, 130045), (310, 69637), (415, 52018), (830, 26009), (839, 25730), (1678, 12865), (2573, 8390), (4195, 5146)]