21752910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12721}}^1$

素因数の和:12753

約数の個数: 48

約数和(自身を含む): 59538960

約数和(自身を除く): 37786050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12721, 25442, 38163, 63605, 76326, 114489, 127210, 190815, 228978, 241699, 381630, 483398, 572445, 725097, 1144890, 1208495, 1450194, 2175291, 2416990, 3625485, 4350582, 7250970, 10876455, 21752910]

約数ペア:

[(1, 21752910), (2, 10876455), (3, 7250970), (5, 4350582), (6, 3625485), (9, 2416990), (10, 2175291), (15, 1450194), (18, 1208495), (19, 1144890), (30, 725097), (38, 572445), (45, 483398), (57, 381630), (90, 241699), (95, 228978), (114, 190815), (171, 127210), (190, 114489), (285, 76326), (342, 63605), (570, 38163), (855, 25442), (1710, 12721)]