21728700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{3449}}^1$

素因数の和:3476

約数の個数: 108

約数和(自身を含む): 77859600

約数和(自身を除く): 56130900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 3449, 6300, 6898, 10347, 13796, 17245, 20694, 24143, 31041, 34490, 41388, 48286, 51735, 62082, 68980, 72429, 86225, 96572, 103470, 120715, 124164, 144858, 155205, 172450, 206940, 217287, 241430, 258675, 289716, 310410, 344900, 362145, 434574, 482860, 517350, 603575, 620820, 724290, 776025, 869148, 1034700, 1086435, 1207150, 1448580, 1552050, 1810725, 2172870, 2414300, 3104100, 3621450, 4345740, 5432175, 7242900, 10864350, 21728700]

約数ペア:

[(1, 21728700), (2, 10864350), (3, 7242900), (4, 5432175), (5, 4345740), (6, 3621450), (7, 3104100), (9, 2414300), (10, 2172870), (12, 1810725), (14, 1552050), (15, 1448580), (18, 1207150), (20, 1086435), (21, 1034700), (25, 869148), (28, 776025), (30, 724290), (35, 620820), (36, 603575), (42, 517350), (45, 482860), (50, 434574), (60, 362145), (63, 344900), (70, 310410), (75, 289716), (84, 258675), (90, 241430), (100, 217287), (105, 206940), (126, 172450), (140, 155205), (150, 144858), (175, 124164), (180, 120715), (210, 103470), (225, 96572), (252, 86225), (300, 72429), (315, 68980), (350, 62082), (420, 51735), (450, 48286), (525, 41388), (630, 34490), (700, 31041), (900, 24143), (1050, 20694), (1260, 17245), (1575, 13796), (2100, 10347), (3150, 6898), (3449, 6300)]