21936460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:755

約数の個数: 96

約数和(自身を含む): 60117120

約数和(自身を除く): 38180660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 709, 884, 910, 1105, 1190, 1418, 1547, 1820, 2210, 2380, 2836, 3094, 3545, 4420, 4963, 6188, 7090, 7735, 9217, 9926, 12053, 14180, 15470, 18434, 19852, 24106, 24815, 30940, 36868, 46085, 48212, 49630, 60265, 64519, 84371, 92170, 99260, 120530, 129038, 156689, 168742, 184340, 241060, 258076, 313378, 322595, 337484, 421855, 626756, 645190, 783445, 843710, 1096823, 1290380, 1566890, 1687420, 2193646, 3133780, 4387292, 5484115, 10968230, 21936460]

約数ペア:

[(1, 21936460), (2, 10968230), (4, 5484115), (5, 4387292), (7, 3133780), (10, 2193646), (13, 1687420), (14, 1566890), (17, 1290380), (20, 1096823), (26, 843710), (28, 783445), (34, 645190), (35, 626756), (52, 421855), (65, 337484), (68, 322595), (70, 313378), (85, 258076), (91, 241060), (119, 184340), (130, 168742), (140, 156689), (170, 129038), (182, 120530), (221, 99260), (238, 92170), (260, 84371), (340, 64519), (364, 60265), (442, 49630), (455, 48212), (476, 46085), (595, 36868), (709, 30940), (884, 24815), (910, 24106), (1105, 19852), (1190, 18434), (1418, 15470), (1547, 14180), (1820, 12053), (2210, 9926), (2380, 9217), (2836, 7735), (3094, 7090), (3545, 6188), (4420, 4963)]