21262320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29531}}^1$

素因数の和:29550

約数の個数: 60

約数和(自身を含む): 71408376

約数和(自身を除く): 50146056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29531, 59062, 88593, 118124, 147655, 177186, 236248, 265779, 295310, 354372, 442965, 472496, 531558, 590620, 708744, 885930, 1063116, 1181240, 1328895, 1417488, 1771860, 2126232, 2362480, 2657790, 3543720, 4252464, 5315580, 7087440, 10631160, 21262320]

約数ペア:

[(1, 21262320), (2, 10631160), (3, 7087440), (4, 5315580), (5, 4252464), (6, 3543720), (8, 2657790), (9, 2362480), (10, 2126232), (12, 1771860), (15, 1417488), (16, 1328895), (18, 1181240), (20, 1063116), (24, 885930), (30, 708744), (36, 590620), (40, 531558), (45, 472496), (48, 442965), (60, 354372), (72, 295310), (80, 265779), (90, 236248), (120, 177186), (144, 147655), (180, 118124), (240, 88593), (360, 59062), (720, 29531)]