21510772010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1390483}}^1$

素因数の和:1390527

約数の個数: 64

約数和(自身を含む): 50457883392

約数和(自身を除く): 28947111382

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1547, 2210, 3094, 7735, 15470, 1390483, 2780966, 6952415, 9733381, 13904830, 18076279, 19466762, 23638211, 36152558, 47276422, 48666905, 90381395, 97333810, 118191055, 126533953, 165467477, 180762790, 236382110, 253067906, 307296743, 330934954, 614593486, 632669765, 827337385, 1265339530, 1536483715, 1654674770, 2151077201, 3072967430, 4302154402, 10755386005, 21510772010]

約数ペア:

[(1, 21510772010), (2, 10755386005), (5, 4302154402), (7, 3072967430), (10, 2151077201), (13, 1654674770), (14, 1536483715), (17, 1265339530), (26, 827337385), (34, 632669765), (35, 614593486), (65, 330934954), (70, 307296743), (85, 253067906), (91, 236382110), (119, 180762790), (130, 165467477), (170, 126533953), (182, 118191055), (221, 97333810), (238, 90381395), (442, 48666905), (455, 47276422), (595, 36152558), (910, 23638211), (1105, 19466762), (1190, 18076279), (1547, 13904830), (2210, 9733381), (3094, 6952415), (7735, 2780966), (15470, 1390483)]