21534429310

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{401537}}^1$

素因数の和:401748

約数の個数: 32

約数和(自身を含む): 40243744512

約数和(自身を除く): 18709315202

約数列:

[1, 2, 5, 10, 31, 62, 155, 173, 310, 346, 865, 1730, 5363, 10726, 26815, 53630, 401537, 803074, 2007685, 4015370, 12447647, 24895294, 62238235, 69465901, 124476470, 138931802, 347329505, 694659010, 2153442931, 4306885862, 10767214655, 21534429310]

約数ペア:

[(1, 21534429310), (2, 10767214655), (5, 4306885862), (10, 2153442931), (31, 694659010), (62, 347329505), (155, 138931802), (173, 124476470), (310, 69465901), (346, 62238235), (865, 24895294), (1730, 12447647), (5363, 4015370), (10726, 2007685), (26815, 803074), (53630, 401537)]