21758037

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 34276608

約数和(自身を除く): 12518571

約数列:

[1, 3, 7, 21, 53, 113, 159, 173, 339, 371, 519, 791, 1113, 1211, 2373, 3633, 5989, 9169, 17967, 19549, 27507, 41923, 58647, 64183, 125769, 136843, 192549, 410529, 1036097, 3108291, 7252679, 21758037]

約数ペア:

[(1, 21758037), (3, 7252679), (7, 3108291), (21, 1036097), (53, 410529), (113, 192549), (159, 136843), (173, 125769), (339, 64183), (371, 58647), (519, 41923), (791, 27507), (1113, 19549), (1211, 17967), (2373, 9169), (3633, 5989)]