21720830724

素因数分解:

$2^2\times 3^4\times {\mathrm{1289}}^1\times {\mathrm{52009}}^1$

素因数の和:53314

約数の個数: 60

約数和(自身を含む): 56827686300

約数和(自身を除く): 35106855576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1289, 2578, 3867, 5156, 7734, 11601, 15468, 23202, 34803, 46404, 52009, 69606, 104018, 104409, 139212, 156027, 208036, 208818, 312054, 417636, 468081, 624108, 936162, 1404243, 1872324, 2808486, 4212729, 5616972, 8425458, 16850916, 67039601, 134079202, 201118803, 268158404, 402237606, 603356409, 804475212, 1206712818, 1810069227, 2413425636, 3620138454, 5430207681, 7240276908, 10860415362, 21720830724]

約数ペア:

[(1, 21720830724), (2, 10860415362), (3, 7240276908), (4, 5430207681), (6, 3620138454), (9, 2413425636), (12, 1810069227), (18, 1206712818), (27, 804475212), (36, 603356409), (54, 402237606), (81, 268158404), (108, 201118803), (162, 134079202), (324, 67039601), (1289, 16850916), (2578, 8425458), (3867, 5616972), (5156, 4212729), (7734, 2808486), (11601, 1872324), (15468, 1404243), (23202, 936162), (34803, 624108), (46404, 468081), (52009, 417636), (69606, 312054), (104018, 208818), (104409, 208036), (139212, 156027)]