21845551456

素因数分解:

$2^5\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{41177}}^1$

素因数の和:41527

約数の個数: 48

約数和(自身を含む): 43894100880

約数和(自身を除く): 22048549424

約数列:

[1, 2, 4, 8, 16, 32, 59, 118, 236, 281, 472, 562, 944, 1124, 1888, 2248, 4496, 8992, 16579, 33158, 41177, 66316, 82354, 132632, 164708, 265264, 329416, 530528, 658832, 1317664, 2429443, 4858886, 9717772, 11570737, 19435544, 23141474, 38871088, 46282948, 77742176, 92565896, 185131792, 370263584, 682673483, 1365346966, 2730693932, 5461387864, 10922775728, 21845551456]

約数ペア:

[(1, 21845551456), (2, 10922775728), (4, 5461387864), (8, 2730693932), (16, 1365346966), (32, 682673483), (59, 370263584), (118, 185131792), (236, 92565896), (281, 77742176), (472, 46282948), (562, 38871088), (944, 23141474), (1124, 19435544), (1888, 11570737), (2248, 9717772), (4496, 4858886), (8992, 2429443), (16579, 1317664), (33158, 658832), (41177, 530528), (66316, 329416), (82354, 265264), (132632, 164708)]