21153048

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 64350720

約数和(自身を除く): 43197672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 41, 42, 56, 74, 82, 83, 84, 111, 123, 148, 164, 166, 168, 222, 246, 249, 259, 287, 296, 328, 332, 444, 492, 498, 518, 574, 581, 664, 777, 861, 888, 984, 996, 1036, 1148, 1162, 1517, 1554, 1722, 1743, 1992, 2072, 2296, 2324, 3034, 3071, 3108, 3403, 3444, 3486, 4551, 4648, 6068, 6142, 6216, 6806, 6888, 6972, 9102, 9213, 10209, 10619, 12136, 12284, 13612, 13944, 18204, 18426, 20418, 21238, 21497, 23821, 24568, 27224, 31857, 36408, 36852, 40836, 42476, 42994, 47642, 63714, 64491, 71463, 73704, 81672, 84952, 85988, 95284, 125911, 127428, 128982, 142926, 171976, 190568, 251822, 254856, 257964, 285852, 377733, 503644, 515928, 571704, 755466, 881377, 1007288, 1510932, 1762754, 2644131, 3021864, 3525508, 5288262, 7051016, 10576524, 21153048]

約数ペア:

[(1, 21153048), (2, 10576524), (3, 7051016), (4, 5288262), (6, 3525508), (7, 3021864), (8, 2644131), (12, 1762754), (14, 1510932), (21, 1007288), (24, 881377), (28, 755466), (37, 571704), (41, 515928), (42, 503644), (56, 377733), (74, 285852), (82, 257964), (83, 254856), (84, 251822), (111, 190568), (123, 171976), (148, 142926), (164, 128982), (166, 127428), (168, 125911), (222, 95284), (246, 85988), (249, 84952), (259, 81672), (287, 73704), (296, 71463), (328, 64491), (332, 63714), (444, 47642), (492, 42994), (498, 42476), (518, 40836), (574, 36852), (581, 36408), (664, 31857), (777, 27224), (861, 24568), (888, 23821), (984, 21497), (996, 21238), (1036, 20418), (1148, 18426), (1162, 18204), (1517, 13944), (1554, 13612), (1722, 12284), (1743, 12136), (1992, 10619), (2072, 10209), (2296, 9213), (2324, 9102), (3034, 6972), (3071, 6888), (3108, 6806), (3403, 6216), (3444, 6142), (3486, 6068), (4551, 4648)]