21093039008

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{71191}}^1$

素因数の和:71445

約数の個数: 48

約数和(自身を含む): 42626352384

約数和(自身を除く): 21533313376

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 197, 376, 394, 752, 788, 1504, 1576, 3152, 6304, 9259, 18518, 37036, 71191, 74072, 142382, 148144, 284764, 296288, 569528, 1139056, 2278112, 3345977, 6691954, 13383908, 14024627, 26767816, 28049254, 53535632, 56098508, 107071264, 112197016, 224394032, 448788064, 659157469, 1318314938, 2636629876, 5273259752, 10546519504, 21093039008]

約数ペア:

[(1, 21093039008), (2, 10546519504), (4, 5273259752), (8, 2636629876), (16, 1318314938), (32, 659157469), (47, 448788064), (94, 224394032), (188, 112197016), (197, 107071264), (376, 56098508), (394, 53535632), (752, 28049254), (788, 26767816), (1504, 14024627), (1576, 13383908), (3152, 6691954), (6304, 3345977), (9259, 2278112), (18518, 1139056), (37036, 569528), (71191, 296288), (74072, 284764), (142382, 148144)]