21249228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 69995520

約数和(自身を除く): 48746292

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 29, 33, 39, 42, 44, 52, 58, 61, 66, 77, 78, 84, 87, 91, 116, 122, 132, 143, 154, 156, 174, 182, 183, 203, 231, 244, 273, 286, 308, 319, 348, 364, 366, 377, 406, 427, 429, 462, 546, 572, 609, 638, 671, 732, 754, 793, 812, 854, 858, 924, 957, 1001, 1092, 1131, 1218, 1276, 1281, 1342, 1508, 1586, 1708, 1716, 1769, 1914, 2002, 2013, 2233, 2262, 2379, 2436, 2562, 2639, 2684, 3003, 3172, 3538, 3828, 4004, 4026, 4147, 4466, 4524, 4697, 4758, 5124, 5278, 5307, 5551, 6006, 6699, 7076, 7917, 8052, 8294, 8723, 8932, 9394, 9516, 10556, 10614, 11102, 12012, 12383, 12441, 13398, 14091, 15834, 16588, 16653, 17446, 18788, 19459, 21228, 22204, 22997, 24766, 24882, 26169, 26796, 28182, 29029, 31668, 33306, 34892, 37149, 38918, 45994, 49532, 49764, 52338, 56364, 58058, 58377, 61061, 66612, 68991, 74298, 77836, 87087, 91988, 104676, 116116, 116754, 122122, 136213, 137982, 148596, 160979, 174174, 183183, 233508, 244244, 252967, 272426, 275964, 321958, 348348, 366366, 408639, 482937, 505934, 544852, 643916, 732732, 758901, 817278, 965874, 1011868, 1517802, 1634556, 1770769, 1931748, 3035604, 3541538, 5312307, 7083076, 10624614, 21249228]

約数ペア:

[(1, 21249228), (2, 10624614), (3, 7083076), (4, 5312307), (6, 3541538), (7, 3035604), (11, 1931748), (12, 1770769), (13, 1634556), (14, 1517802), (21, 1011868), (22, 965874), (26, 817278), (28, 758901), (29, 732732), (33, 643916), (39, 544852), (42, 505934), (44, 482937), (52, 408639), (58, 366366), (61, 348348), (66, 321958), (77, 275964), (78, 272426), (84, 252967), (87, 244244), (91, 233508), (116, 183183), (122, 174174), (132, 160979), (143, 148596), (154, 137982), (156, 136213), (174, 122122), (182, 116754), (183, 116116), (203, 104676), (231, 91988), (244, 87087), (273, 77836), (286, 74298), (308, 68991), (319, 66612), (348, 61061), (364, 58377), (366, 58058), (377, 56364), (406, 52338), (427, 49764), (429, 49532), (462, 45994), (546, 38918), (572, 37149), (609, 34892), (638, 33306), (671, 31668), (732, 29029), (754, 28182), (793, 26796), (812, 26169), (854, 24882), (858, 24766), (924, 22997), (957, 22204), (1001, 21228), (1092, 19459), (1131, 18788), (1218, 17446), (1276, 16653), (1281, 16588), (1342, 15834), (1508, 14091), (1586, 13398), (1708, 12441), (1716, 12383), (1769, 12012), (1914, 11102), (2002, 10614), (2013, 10556), (2233, 9516), (2262, 9394), (2379, 8932), (2436, 8723), (2562, 8294), (2639, 8052), (2684, 7917), (3003, 7076), (3172, 6699), (3538, 6006), (3828, 5551), (4004, 5307), (4026, 5278), (4147, 5124), (4466, 4758), (4524, 4697)]