21789864

素因数分解:

$2^3\times 3^3\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 60912000

約数和(自身を除く): 39122136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 281, 359, 562, 718, 843, 1077, 1124, 1436, 1686, 2154, 2248, 2529, 2872, 3231, 3372, 4308, 5058, 6462, 6744, 7587, 8616, 9693, 10116, 12924, 15174, 19386, 20232, 25848, 30348, 38772, 60696, 77544, 100879, 201758, 302637, 403516, 605274, 807032, 907911, 1210548, 1815822, 2421096, 2723733, 3631644, 5447466, 7263288, 10894932, 21789864]

約数ペア:

[(1, 21789864), (2, 10894932), (3, 7263288), (4, 5447466), (6, 3631644), (8, 2723733), (9, 2421096), (12, 1815822), (18, 1210548), (24, 907911), (27, 807032), (36, 605274), (54, 403516), (72, 302637), (108, 201758), (216, 100879), (281, 77544), (359, 60696), (562, 38772), (718, 30348), (843, 25848), (1077, 20232), (1124, 19386), (1436, 15174), (1686, 12924), (2154, 10116), (2248, 9693), (2529, 8616), (2872, 7587), (3231, 6744), (3372, 6462), (4308, 5058)]