21124620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 71705088

約数和(自身を除く): 50580468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 47, 55, 60, 66, 90, 94, 99, 110, 132, 141, 165, 180, 188, 198, 220, 227, 235, 282, 330, 396, 423, 454, 470, 495, 517, 564, 660, 681, 705, 846, 908, 940, 990, 1034, 1135, 1362, 1410, 1551, 1692, 1980, 2043, 2068, 2115, 2270, 2497, 2585, 2724, 2820, 3102, 3405, 4086, 4230, 4540, 4653, 4994, 5170, 6204, 6810, 7491, 7755, 8172, 8460, 9306, 9988, 10215, 10340, 10669, 12485, 13620, 14982, 15510, 18612, 20430, 21338, 22473, 23265, 24970, 29964, 31020, 32007, 37455, 40860, 42676, 44946, 46530, 49940, 53345, 64014, 74910, 89892, 93060, 96021, 106690, 112365, 117359, 128028, 149820, 160035, 192042, 213380, 224730, 234718, 320070, 352077, 384084, 449460, 469436, 480105, 586795, 640140, 704154, 960210, 1056231, 1173590, 1408308, 1760385, 1920420, 2112462, 2347180, 3520770, 4224924, 5281155, 7041540, 10562310, 21124620]

約数ペア:

[(1, 21124620), (2, 10562310), (3, 7041540), (4, 5281155), (5, 4224924), (6, 3520770), (9, 2347180), (10, 2112462), (11, 1920420), (12, 1760385), (15, 1408308), (18, 1173590), (20, 1056231), (22, 960210), (30, 704154), (33, 640140), (36, 586795), (44, 480105), (45, 469436), (47, 449460), (55, 384084), (60, 352077), (66, 320070), (90, 234718), (94, 224730), (99, 213380), (110, 192042), (132, 160035), (141, 149820), (165, 128028), (180, 117359), (188, 112365), (198, 106690), (220, 96021), (227, 93060), (235, 89892), (282, 74910), (330, 64014), (396, 53345), (423, 49940), (454, 46530), (470, 44946), (495, 42676), (517, 40860), (564, 37455), (660, 32007), (681, 31020), (705, 29964), (846, 24970), (908, 23265), (940, 22473), (990, 21338), (1034, 20430), (1135, 18612), (1362, 15510), (1410, 14982), (1551, 13620), (1692, 12485), (1980, 10669), (2043, 10340), (2068, 10215), (2115, 9988), (2270, 9306), (2497, 8460), (2585, 8172), (2724, 7755), (2820, 7491), (3102, 6810), (3405, 6204), (4086, 5170), (4230, 4994), (4540, 4653)]