21952260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11087}}^1$

素因数の和:11113

約数の個数: 72

約数和(自身を含む): 72648576

約数和(自身を除く): 50696316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 11087, 22174, 33261, 44348, 55435, 66522, 99783, 110870, 121957, 133044, 166305, 199566, 221740, 243914, 332610, 365871, 399132, 487828, 498915, 609785, 665220, 731742, 997830, 1097613, 1219570, 1463484, 1829355, 1995660, 2195226, 2439140, 3658710, 4390452, 5488065, 7317420, 10976130, 21952260]

約数ペア:

[(1, 21952260), (2, 10976130), (3, 7317420), (4, 5488065), (5, 4390452), (6, 3658710), (9, 2439140), (10, 2195226), (11, 1995660), (12, 1829355), (15, 1463484), (18, 1219570), (20, 1097613), (22, 997830), (30, 731742), (33, 665220), (36, 609785), (44, 498915), (45, 487828), (55, 399132), (60, 365871), (66, 332610), (90, 243914), (99, 221740), (110, 199566), (132, 166305), (165, 133044), (180, 121957), (198, 110870), (220, 99783), (330, 66522), (396, 55435), (495, 44348), (660, 33261), (990, 22174), (1980, 11087)]