21601730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4099}}^1$

素因数の和:4154

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 20907070

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 527, 1054, 2635, 4099, 5270, 8198, 20495, 40990, 69683, 127069, 139366, 254138, 348415, 635345, 696830, 1270690, 2160173, 4320346, 10800865, 21601730]

約数ペア:

[(1, 21601730), (2, 10800865), (5, 4320346), (10, 2160173), (17, 1270690), (31, 696830), (34, 635345), (62, 348415), (85, 254138), (155, 139366), (170, 127069), (310, 69683), (527, 40990), (1054, 20495), (2635, 8198), (4099, 5270)]