21550890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23173}}^1$

素因数の和:23214

約数の個数: 32

約数和(自身を含む): 53392896

約数和(自身を除く): 31842006

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 23173, 46346, 69519, 115865, 139038, 231730, 347595, 695190, 718363, 1436726, 2155089, 3591815, 4310178, 7183630, 10775445, 21550890]

約数ペア:

[(1, 21550890), (2, 10775445), (3, 7183630), (5, 4310178), (6, 3591815), (10, 2155089), (15, 1436726), (30, 718363), (31, 695190), (62, 347595), (93, 231730), (155, 139038), (186, 115865), (310, 69519), (465, 46346), (930, 23173)]