21193830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33641}}^1$

素因数の和:33661

約数の個数: 48

約数和(自身を含む): 62977824

約数和(自身を除く): 41783994

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33641, 67282, 100923, 168205, 201846, 235487, 302769, 336410, 470974, 504615, 605538, 706461, 1009230, 1177435, 1412922, 1513845, 2119383, 2354870, 3027690, 3532305, 4238766, 7064610, 10596915, 21193830]

約数ペア:

[(1, 21193830), (2, 10596915), (3, 7064610), (5, 4238766), (6, 3532305), (7, 3027690), (9, 2354870), (10, 2119383), (14, 1513845), (15, 1412922), (18, 1177435), (21, 1009230), (30, 706461), (35, 605538), (42, 504615), (45, 470974), (63, 336410), (70, 302769), (90, 235487), (105, 201846), (126, 168205), (210, 100923), (315, 67282), (630, 33641)]