21860890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 41094144

約数和(自身を除く): 19233254

約数列:

[1, 2, 5, 10, 31, 62, 97, 155, 194, 310, 485, 727, 970, 1454, 3007, 3635, 6014, 7270, 15035, 22537, 30070, 45074, 70519, 112685, 141038, 225370, 352595, 705190, 2186089, 4372178, 10930445, 21860890]

約数ペア:

[(1, 21860890), (2, 10930445), (5, 4372178), (10, 2186089), (31, 705190), (62, 352595), (97, 225370), (155, 141038), (194, 112685), (310, 70519), (485, 45074), (727, 30070), (970, 22537), (1454, 15035), (3007, 7270), (3635, 6014)]