21323364

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 51179520

約数和(自身を除く): 29856156

約数列:

[1, 2, 3, 4, 6, 12, 79, 83, 158, 166, 237, 249, 271, 316, 332, 474, 498, 542, 813, 948, 996, 1084, 1626, 3252, 6557, 13114, 19671, 21409, 22493, 26228, 39342, 42818, 44986, 64227, 67479, 78684, 85636, 89972, 128454, 134958, 256908, 269916, 1776947, 3553894, 5330841, 7107788, 10661682, 21323364]

約数ペア:

[(1, 21323364), (2, 10661682), (3, 7107788), (4, 5330841), (6, 3553894), (12, 1776947), (79, 269916), (83, 256908), (158, 134958), (166, 128454), (237, 89972), (249, 85636), (271, 78684), (316, 67479), (332, 64227), (474, 44986), (498, 42818), (542, 39342), (813, 26228), (948, 22493), (996, 21409), (1084, 19671), (1626, 13114), (3252, 6557)]