21099240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:136

約数の個数: 192

約数和(自身を含む): 74131200

約数和(自身を除く): 53031960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 43, 45, 47, 58, 60, 72, 86, 87, 90, 94, 116, 120, 129, 141, 145, 172, 174, 180, 188, 215, 232, 235, 258, 261, 282, 290, 344, 348, 360, 376, 387, 423, 430, 435, 470, 516, 522, 564, 580, 645, 696, 705, 774, 846, 860, 870, 940, 1032, 1044, 1128, 1160, 1247, 1290, 1305, 1363, 1410, 1548, 1692, 1720, 1740, 1880, 1935, 2021, 2088, 2115, 2494, 2580, 2610, 2726, 2820, 3096, 3384, 3480, 3741, 3870, 4042, 4089, 4230, 4988, 5160, 5220, 5452, 5640, 6063, 6235, 6815, 7482, 7740, 8084, 8178, 8460, 9976, 10105, 10440, 10904, 11223, 12126, 12267, 12470, 13630, 14964, 15480, 16168, 16356, 16920, 18189, 18705, 20210, 20445, 22446, 24252, 24534, 24940, 27260, 29928, 30315, 32712, 36378, 37410, 40420, 40890, 44892, 48504, 49068, 49880, 54520, 56115, 58609, 60630, 61335, 72756, 74820, 80840, 81780, 89784, 90945, 98136, 112230, 117218, 121260, 122670, 145512, 149640, 163560, 175827, 181890, 224460, 234436, 242520, 245340, 293045, 351654, 363780, 448920, 468872, 490680, 527481, 586090, 703308, 727560, 879135, 1054962, 1172180, 1406616, 1758270, 2109924, 2344360, 2637405, 3516540, 4219848, 5274810, 7033080, 10549620, 21099240]

約数ペア:

[(1, 21099240), (2, 10549620), (3, 7033080), (4, 5274810), (5, 4219848), (6, 3516540), (8, 2637405), (9, 2344360), (10, 2109924), (12, 1758270), (15, 1406616), (18, 1172180), (20, 1054962), (24, 879135), (29, 727560), (30, 703308), (36, 586090), (40, 527481), (43, 490680), (45, 468872), (47, 448920), (58, 363780), (60, 351654), (72, 293045), (86, 245340), (87, 242520), (90, 234436), (94, 224460), (116, 181890), (120, 175827), (129, 163560), (141, 149640), (145, 145512), (172, 122670), (174, 121260), (180, 117218), (188, 112230), (215, 98136), (232, 90945), (235, 89784), (258, 81780), (261, 80840), (282, 74820), (290, 72756), (344, 61335), (348, 60630), (360, 58609), (376, 56115), (387, 54520), (423, 49880), (430, 49068), (435, 48504), (470, 44892), (516, 40890), (522, 40420), (564, 37410), (580, 36378), (645, 32712), (696, 30315), (705, 29928), (774, 27260), (846, 24940), (860, 24534), (870, 24252), (940, 22446), (1032, 20445), (1044, 20210), (1128, 18705), (1160, 18189), (1247, 16920), (1290, 16356), (1305, 16168), (1363, 15480), (1410, 14964), (1548, 13630), (1692, 12470), (1720, 12267), (1740, 12126), (1880, 11223), (1935, 10904), (2021, 10440), (2088, 10105), (2115, 9976), (2494, 8460), (2580, 8178), (2610, 8084), (2726, 7740), (2820, 7482), (3096, 6815), (3384, 6235), (3480, 6063), (3741, 5640), (3870, 5452), (4042, 5220), (4089, 5160), (4230, 4988)]