21377928

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6229}}^1$

素因数の和:6262

約数の個数: 64

約数和(自身を含む): 62798400

約数和(自身を除く): 41420472

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 286, 312, 429, 572, 858, 1144, 1716, 3432, 6229, 12458, 18687, 24916, 37374, 49832, 68519, 74748, 80977, 137038, 149496, 161954, 205557, 242931, 274076, 323908, 411114, 485862, 548152, 647816, 822228, 890747, 971724, 1644456, 1781494, 1943448, 2672241, 3562988, 5344482, 7125976, 10688964, 21377928]

約数ペア:

[(1, 21377928), (2, 10688964), (3, 7125976), (4, 5344482), (6, 3562988), (8, 2672241), (11, 1943448), (12, 1781494), (13, 1644456), (22, 971724), (24, 890747), (26, 822228), (33, 647816), (39, 548152), (44, 485862), (52, 411114), (66, 323908), (78, 274076), (88, 242931), (104, 205557), (132, 161954), (143, 149496), (156, 137038), (264, 80977), (286, 74748), (312, 68519), (429, 49832), (572, 37374), (858, 24916), (1144, 18687), (1716, 12458), (3432, 6229)]