21198228

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 51072000

約数和(自身を除く): 29873772

約数列:

[1, 2, 3, 4, 6, 12, 59, 79, 118, 158, 177, 236, 237, 316, 354, 379, 474, 708, 758, 948, 1137, 1516, 2274, 4548, 4661, 9322, 13983, 18644, 22361, 27966, 29941, 44722, 55932, 59882, 67083, 89444, 89823, 119764, 134166, 179646, 268332, 359292, 1766519, 3533038, 5299557, 7066076, 10599114, 21198228]

約数ペア:

[(1, 21198228), (2, 10599114), (3, 7066076), (4, 5299557), (6, 3533038), (12, 1766519), (59, 359292), (79, 268332), (118, 179646), (158, 134166), (177, 119764), (236, 89823), (237, 89444), (316, 67083), (354, 59882), (379, 55932), (474, 44722), (708, 29941), (758, 27966), (948, 22361), (1137, 18644), (1516, 13983), (2274, 9322), (4548, 4661)]