21542580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6299}}^1$

素因数の和:6333

約数の個数: 72

約数和(自身を含む): 68796000

約数和(自身を除く): 47253420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6299, 12598, 18897, 25196, 31495, 37794, 56691, 62990, 75588, 94485, 113382, 119681, 125980, 188970, 226764, 239362, 283455, 359043, 377940, 478724, 566910, 598405, 718086, 1077129, 1133820, 1196810, 1436172, 1795215, 2154258, 2393620, 3590430, 4308516, 5385645, 7180860, 10771290, 21542580]

約数ペア:

[(1, 21542580), (2, 10771290), (3, 7180860), (4, 5385645), (5, 4308516), (6, 3590430), (9, 2393620), (10, 2154258), (12, 1795215), (15, 1436172), (18, 1196810), (19, 1133820), (20, 1077129), (30, 718086), (36, 598405), (38, 566910), (45, 478724), (57, 377940), (60, 359043), (76, 283455), (90, 239362), (95, 226764), (114, 188970), (171, 125980), (180, 119681), (190, 113382), (228, 94485), (285, 75588), (342, 62990), (380, 56691), (570, 37794), (684, 31495), (855, 25196), (1140, 18897), (1710, 12598), (3420, 6299)]