21426984

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 44237016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 23, 24, 27, 36, 38, 46, 54, 57, 69, 72, 76, 92, 108, 114, 138, 152, 171, 184, 207, 216, 227, 228, 276, 342, 414, 437, 454, 456, 513, 552, 621, 681, 684, 828, 874, 908, 1026, 1242, 1311, 1362, 1368, 1656, 1748, 1816, 2043, 2052, 2484, 2622, 2724, 3496, 3933, 4086, 4104, 4313, 4968, 5221, 5244, 5448, 6129, 7866, 8172, 8626, 10442, 10488, 11799, 12258, 12939, 15663, 15732, 16344, 17252, 20884, 23598, 24516, 25878, 31326, 31464, 34504, 38817, 41768, 46989, 47196, 49032, 51756, 62652, 77634, 93978, 94392, 99199, 103512, 116451, 125304, 140967, 155268, 187956, 198398, 232902, 281934, 297597, 310536, 375912, 396796, 465804, 563868, 595194, 793592, 892791, 931608, 1127736, 1190388, 1785582, 2380776, 2678373, 3571164, 5356746, 7142328, 10713492, 21426984]

約数ペア:

[(1, 21426984), (2, 10713492), (3, 7142328), (4, 5356746), (6, 3571164), (8, 2678373), (9, 2380776), (12, 1785582), (18, 1190388), (19, 1127736), (23, 931608), (24, 892791), (27, 793592), (36, 595194), (38, 563868), (46, 465804), (54, 396796), (57, 375912), (69, 310536), (72, 297597), (76, 281934), (92, 232902), (108, 198398), (114, 187956), (138, 155268), (152, 140967), (171, 125304), (184, 116451), (207, 103512), (216, 99199), (227, 94392), (228, 93978), (276, 77634), (342, 62652), (414, 51756), (437, 49032), (454, 47196), (456, 46989), (513, 41768), (552, 38817), (621, 34504), (681, 31464), (684, 31326), (828, 25878), (874, 24516), (908, 23598), (1026, 20884), (1242, 17252), (1311, 16344), (1362, 15732), (1368, 15663), (1656, 12939), (1748, 12258), (1816, 11799), (2043, 10488), (2052, 10442), (2484, 8626), (2622, 8172), (2724, 7866), (3496, 6129), (3933, 5448), (4086, 5244), (4104, 5221), (4313, 4968)]