21452040

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2207}}^1$

素因数の和:2233

約数の個数: 96

約数和(自身を含む): 72334080

約数和(自身を除く): 50882040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2207, 2430, 3240, 4414, 4860, 6621, 8828, 9720, 11035, 13242, 17656, 19863, 22070, 26484, 33105, 39726, 44140, 52968, 59589, 66210, 79452, 88280, 99315, 119178, 132420, 158904, 178767, 198630, 238356, 264840, 297945, 357534, 397260, 476712, 536301, 595890, 715068, 794520, 893835, 1072602, 1191780, 1430136, 1787670, 2145204, 2383560, 2681505, 3575340, 4290408, 5363010, 7150680, 10726020, 21452040]

約数ペア:

[(1, 21452040), (2, 10726020), (3, 7150680), (4, 5363010), (5, 4290408), (6, 3575340), (8, 2681505), (9, 2383560), (10, 2145204), (12, 1787670), (15, 1430136), (18, 1191780), (20, 1072602), (24, 893835), (27, 794520), (30, 715068), (36, 595890), (40, 536301), (45, 476712), (54, 397260), (60, 357534), (72, 297945), (81, 264840), (90, 238356), (108, 198630), (120, 178767), (135, 158904), (162, 132420), (180, 119178), (216, 99315), (243, 88280), (270, 79452), (324, 66210), (360, 59589), (405, 52968), (486, 44140), (540, 39726), (648, 33105), (810, 26484), (972, 22070), (1080, 19863), (1215, 17656), (1620, 13242), (1944, 11035), (2207, 9720), (2430, 8828), (3240, 6621), (4414, 4860)]