21760440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 192

約数和(自身を含む): 75103200

約数和(自身を除く): 53342760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 37, 39, 40, 52, 58, 60, 65, 74, 78, 87, 104, 111, 116, 120, 130, 145, 148, 156, 169, 174, 185, 195, 222, 232, 260, 290, 296, 312, 338, 348, 370, 377, 390, 435, 444, 481, 507, 520, 555, 580, 676, 696, 740, 754, 780, 845, 870, 888, 962, 1014, 1073, 1110, 1131, 1160, 1352, 1443, 1480, 1508, 1560, 1690, 1740, 1885, 1924, 2028, 2146, 2220, 2262, 2405, 2535, 2886, 3016, 3219, 3380, 3480, 3770, 3848, 4056, 4292, 4440, 4524, 4810, 4901, 5070, 5365, 5655, 5772, 6253, 6438, 6760, 7215, 7540, 8584, 9048, 9620, 9802, 10140, 10730, 11310, 11544, 12506, 12876, 13949, 14430, 14703, 15080, 16095, 18759, 19240, 19604, 20280, 21460, 22620, 24505, 25012, 25752, 27898, 28860, 29406, 31265, 32190, 37518, 39208, 41847, 42920, 45240, 49010, 50024, 55796, 57720, 58812, 62530, 64380, 69745, 73515, 75036, 83694, 93795, 98020, 111592, 117624, 125060, 128760, 139490, 147030, 150072, 167388, 181337, 187590, 196040, 209235, 250120, 278980, 294060, 334776, 362674, 375180, 418470, 544011, 557960, 588120, 725348, 750360, 836940, 906685, 1088022, 1450696, 1673880, 1813370, 2176044, 2720055, 3626740, 4352088, 5440110, 7253480, 10880220, 21760440]

約数ペア:

[(1, 21760440), (2, 10880220), (3, 7253480), (4, 5440110), (5, 4352088), (6, 3626740), (8, 2720055), (10, 2176044), (12, 1813370), (13, 1673880), (15, 1450696), (20, 1088022), (24, 906685), (26, 836940), (29, 750360), (30, 725348), (37, 588120), (39, 557960), (40, 544011), (52, 418470), (58, 375180), (60, 362674), (65, 334776), (74, 294060), (78, 278980), (87, 250120), (104, 209235), (111, 196040), (116, 187590), (120, 181337), (130, 167388), (145, 150072), (148, 147030), (156, 139490), (169, 128760), (174, 125060), (185, 117624), (195, 111592), (222, 98020), (232, 93795), (260, 83694), (290, 75036), (296, 73515), (312, 69745), (338, 64380), (348, 62530), (370, 58812), (377, 57720), (390, 55796), (435, 50024), (444, 49010), (481, 45240), (507, 42920), (520, 41847), (555, 39208), (580, 37518), (676, 32190), (696, 31265), (740, 29406), (754, 28860), (780, 27898), (845, 25752), (870, 25012), (888, 24505), (962, 22620), (1014, 21460), (1073, 20280), (1110, 19604), (1131, 19240), (1160, 18759), (1352, 16095), (1443, 15080), (1480, 14703), (1508, 14430), (1560, 13949), (1690, 12876), (1740, 12506), (1885, 11544), (1924, 11310), (2028, 10730), (2146, 10140), (2220, 9802), (2262, 9620), (2405, 9048), (2535, 8584), (2886, 7540), (3016, 7215), (3219, 6760), (3380, 6438), (3480, 6253), (3770, 5772), (3848, 5655), (4056, 5365), (4292, 5070), (4440, 4901), (4524, 4810)]