21717984

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^2\times {\mathrm{269}}^1$

素因数の和:340

約数の個数: 72

約数和(自身を含む): 59262840

約数和(自身を除く): 37544856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 174, 232, 269, 348, 464, 538, 696, 807, 841, 928, 1076, 1392, 1614, 1682, 2152, 2523, 2784, 3228, 3364, 4304, 5046, 6456, 6728, 7801, 8608, 10092, 12912, 13456, 15602, 20184, 23403, 25824, 26912, 31204, 40368, 46806, 62408, 80736, 93612, 124816, 187224, 226229, 249632, 374448, 452458, 678687, 748896, 904916, 1357374, 1809832, 2714748, 3619664, 5429496, 7239328, 10858992, 21717984]

約数ペア:

[(1, 21717984), (2, 10858992), (3, 7239328), (4, 5429496), (6, 3619664), (8, 2714748), (12, 1809832), (16, 1357374), (24, 904916), (29, 748896), (32, 678687), (48, 452458), (58, 374448), (87, 249632), (96, 226229), (116, 187224), (174, 124816), (232, 93612), (269, 80736), (348, 62408), (464, 46806), (538, 40368), (696, 31204), (807, 26912), (841, 25824), (928, 23403), (1076, 20184), (1392, 15602), (1614, 13456), (1682, 12912), (2152, 10092), (2523, 8608), (2784, 7801), (3228, 6728), (3364, 6456), (4304, 5046)]