21491921614

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1\times {\mathrm{395261}}^1$

素因数の和:396171

約数の個数: 16

約数和(自身を含む): 33315843456

約数和(自身を除く): 11823921842

約数列:

[1, 2, 31, 62, 877, 1754, 27187, 54374, 395261, 790522, 12253091, 24506182, 346643897, 693287794, 10745960807, 21491921614]

約数ペア:

[(1, 21491921614), (2, 10745960807), (31, 693287794), (62, 346643897), (877, 24506182), (1754, 12253091), (27187, 790522), (54374, 395261)]