21863129.000000000

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9161}}^1$

素因数の和:9276

約数の個数: 64

約数和(自身を含む): 336428640

約数和(自身を除く): 225397320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 9161, 12120, 18322, 27483, 36644, 45805, 54966, 73288, 91610, 109932, 137415, 183220, 219864, 274830, 366440, 549660, 925261, 1099320, 1850522, 2775783, 3701044, 4626305, 5551566, 7402088, 9252610, 11103132, 13878915, 18505220, 22206264, 27757830, 37010440, 55515660, 111031320]

約数ペア:

[(1, 111031320), (2, 55515660), (3, 37010440), (4, 27757830), (5, 22206264), (6, 18505220), (8, 13878915), (10, 11103132), (12, 9252610), (15, 7402088), (20, 5551566), (24, 4626305), (30, 3701044), (40, 2775783), (60, 1850522), (101, 1099320), (120, 925261), (202, 549660), (303, 366440), (404, 274830), (505, 219864), (606, 183220), (808, 137415), (1010, 109932), (1212, 91610), (1515, 73288), (2020, 54966), (2424, 45805), (3030, 36644), (4040, 27483), (6060, 18322), (9161, 12120)]