21458878020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{4415407}}^1$

素因数の和:4415431

約数の個数: 72

約数和(自身を含む): 67502757504

約数和(自身を除く): 46043879484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 4415407, 8830814, 13246221, 17661628, 22077035, 26492442, 39738663, 44154070, 52984884, 66231105, 79477326, 88308140, 119215989, 132462210, 158954652, 198693315, 238431978, 264924420, 357647967, 397386630, 476863956, 596079945, 715295934, 794773260, 1072943901, 1192159890, 1430591868, 1788239835, 2145887802, 2384319780, 3576479670, 4291775604, 5364719505, 7152959340, 10729439010, 21458878020]

約数ペア:

[(1, 21458878020), (2, 10729439010), (3, 7152959340), (4, 5364719505), (5, 4291775604), (6, 3576479670), (9, 2384319780), (10, 2145887802), (12, 1788239835), (15, 1430591868), (18, 1192159890), (20, 1072943901), (27, 794773260), (30, 715295934), (36, 596079945), (45, 476863956), (54, 397386630), (60, 357647967), (81, 264924420), (90, 238431978), (108, 198693315), (135, 158954652), (162, 132462210), (180, 119215989), (243, 88308140), (270, 79477326), (324, 66231105), (405, 52984884), (486, 44154070), (540, 39738663), (810, 26492442), (972, 22077035), (1215, 17661628), (1620, 13246221), (2430, 8830814), (4860, 4415407)]