21407568

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{29}}^1$

素因数の和:86

約数の個数: 160

約数和(自身を含む): 70828800

約数和(自身を除く): 49421232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 29, 39, 42, 48, 52, 56, 58, 78, 84, 87, 91, 104, 112, 116, 156, 168, 169, 174, 182, 203, 208, 232, 273, 312, 336, 338, 348, 364, 377, 406, 464, 507, 546, 609, 624, 676, 696, 728, 754, 812, 1014, 1092, 1131, 1183, 1218, 1352, 1392, 1456, 1508, 1624, 2028, 2184, 2197, 2262, 2366, 2436, 2639, 2704, 3016, 3248, 3549, 4056, 4368, 4394, 4524, 4732, 4872, 4901, 5278, 6032, 6591, 7098, 7917, 8112, 8788, 9048, 9464, 9744, 9802, 10556, 13182, 14196, 14703, 15379, 15834, 17576, 18096, 18928, 19604, 21112, 26364, 28392, 29406, 30758, 31668, 34307, 35152, 39208, 42224, 46137, 52728, 56784, 58812, 61516, 63336, 63713, 68614, 78416, 92274, 102921, 105456, 117624, 123032, 126672, 127426, 137228, 184548, 191139, 205842, 235248, 246064, 254852, 274456, 369096, 382278, 411684, 445991, 509704, 548912, 738192, 764556, 823368, 891982, 1019408, 1337973, 1529112, 1646736, 1783964, 2675946, 3058224, 3567928, 5351892, 7135856, 10703784, 21407568]

約数ペア:

[(1, 21407568), (2, 10703784), (3, 7135856), (4, 5351892), (6, 3567928), (7, 3058224), (8, 2675946), (12, 1783964), (13, 1646736), (14, 1529112), (16, 1337973), (21, 1019408), (24, 891982), (26, 823368), (28, 764556), (29, 738192), (39, 548912), (42, 509704), (48, 445991), (52, 411684), (56, 382278), (58, 369096), (78, 274456), (84, 254852), (87, 246064), (91, 235248), (104, 205842), (112, 191139), (116, 184548), (156, 137228), (168, 127426), (169, 126672), (174, 123032), (182, 117624), (203, 105456), (208, 102921), (232, 92274), (273, 78416), (312, 68614), (336, 63713), (338, 63336), (348, 61516), (364, 58812), (377, 56784), (406, 52728), (464, 46137), (507, 42224), (546, 39208), (609, 35152), (624, 34307), (676, 31668), (696, 30758), (728, 29406), (754, 28392), (812, 26364), (1014, 21112), (1092, 19604), (1131, 18928), (1183, 18096), (1218, 17576), (1352, 15834), (1392, 15379), (1456, 14703), (1508, 14196), (1624, 13182), (2028, 10556), (2184, 9802), (2197, 9744), (2262, 9464), (2366, 9048), (2436, 8788), (2639, 8112), (2704, 7917), (3016, 7098), (3248, 6591), (3549, 6032), (4056, 5278), (4368, 4901), (4394, 4872), (4524, 4732)]