21873540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{967}}^1$

素因数の和:1021

約数の個数: 96

約数和(自身を含む): 68302080

約数和(自身を除く): 46428540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 174, 195, 260, 290, 348, 377, 390, 435, 580, 754, 780, 870, 967, 1131, 1508, 1740, 1885, 1934, 2262, 2901, 3770, 3868, 4524, 4835, 5655, 5802, 7540, 9670, 11310, 11604, 12571, 14505, 19340, 22620, 25142, 28043, 29010, 37713, 50284, 56086, 58020, 62855, 75426, 84129, 112172, 125710, 140215, 150852, 168258, 188565, 251420, 280430, 336516, 364559, 377130, 420645, 560860, 729118, 754260, 841290, 1093677, 1458236, 1682580, 1822795, 2187354, 3645590, 4374708, 5468385, 7291180, 10936770, 21873540]

約数ペア:

[(1, 21873540), (2, 10936770), (3, 7291180), (4, 5468385), (5, 4374708), (6, 3645590), (10, 2187354), (12, 1822795), (13, 1682580), (15, 1458236), (20, 1093677), (26, 841290), (29, 754260), (30, 729118), (39, 560860), (52, 420645), (58, 377130), (60, 364559), (65, 336516), (78, 280430), (87, 251420), (116, 188565), (130, 168258), (145, 150852), (156, 140215), (174, 125710), (195, 112172), (260, 84129), (290, 75426), (348, 62855), (377, 58020), (390, 56086), (435, 50284), (580, 37713), (754, 29010), (780, 28043), (870, 25142), (967, 22620), (1131, 19340), (1508, 14505), (1740, 12571), (1885, 11604), (1934, 11310), (2262, 9670), (2901, 7540), (3770, 5802), (3868, 5655), (4524, 4835)]