21532910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9923}}^1$

素因数の和:9968

約数の個数: 32

約数和(自身を含む): 45729792

約数和(自身を除く): 24196882

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9923, 19846, 49615, 69461, 99230, 138922, 307613, 347305, 615226, 694610, 1538065, 2153291, 3076130, 4306582, 10766455, 21532910]

約数ペア:

[(1, 21532910), (2, 10766455), (5, 4306582), (7, 3076130), (10, 2153291), (14, 1538065), (31, 694610), (35, 615226), (62, 347305), (70, 307613), (155, 138922), (217, 99230), (310, 69461), (434, 49615), (1085, 19846), (2170, 9923)]