21131610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 53982720

約数和(自身を除く): 32851110

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 131, 190, 262, 283, 285, 393, 566, 570, 655, 786, 849, 1310, 1415, 1698, 1965, 2489, 2830, 3930, 4245, 4978, 5377, 7467, 8490, 10754, 12445, 14934, 16131, 24890, 26885, 32262, 37073, 37335, 53770, 74146, 74670, 80655, 111219, 161310, 185365, 222438, 370730, 556095, 704387, 1112190, 1408774, 2113161, 3521935, 4226322, 7043870, 10565805, 21131610]

約数ペア:

[(1, 21131610), (2, 10565805), (3, 7043870), (5, 4226322), (6, 3521935), (10, 2113161), (15, 1408774), (19, 1112190), (30, 704387), (38, 556095), (57, 370730), (95, 222438), (114, 185365), (131, 161310), (190, 111219), (262, 80655), (283, 74670), (285, 74146), (393, 53770), (566, 37335), (570, 37073), (655, 32262), (786, 26885), (849, 24890), (1310, 16131), (1415, 14934), (1698, 12445), (1965, 10754), (2489, 8490), (2830, 7467), (3930, 5377), (4245, 4978)]