21070440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{547}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 69245280

約数和(自身を除く): 48174840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 107, 120, 180, 214, 321, 360, 428, 535, 547, 642, 856, 963, 1070, 1094, 1284, 1605, 1641, 1926, 2140, 2188, 2568, 2735, 3210, 3282, 3852, 4280, 4376, 4815, 4923, 5470, 6420, 6564, 7704, 8205, 9630, 9846, 10940, 12840, 13128, 16410, 19260, 19692, 21880, 24615, 32820, 38520, 39384, 49230, 58529, 65640, 98460, 117058, 175587, 196920, 234116, 292645, 351174, 468232, 526761, 585290, 702348, 877935, 1053522, 1170580, 1404696, 1755870, 2107044, 2341160, 2633805, 3511740, 4214088, 5267610, 7023480, 10535220, 21070440]

約数ペア:

[(1, 21070440), (2, 10535220), (3, 7023480), (4, 5267610), (5, 4214088), (6, 3511740), (8, 2633805), (9, 2341160), (10, 2107044), (12, 1755870), (15, 1404696), (18, 1170580), (20, 1053522), (24, 877935), (30, 702348), (36, 585290), (40, 526761), (45, 468232), (60, 351174), (72, 292645), (90, 234116), (107, 196920), (120, 175587), (180, 117058), (214, 98460), (321, 65640), (360, 58529), (428, 49230), (535, 39384), (547, 38520), (642, 32820), (856, 24615), (963, 21880), (1070, 19692), (1094, 19260), (1284, 16410), (1605, 13128), (1641, 12840), (1926, 10940), (2140, 9846), (2188, 9630), (2568, 8205), (2735, 7704), (3210, 6564), (3282, 6420), (3852, 5470), (4280, 4923), (4376, 4815)]