21815976

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1463

約数の個数: 96

約数和(自身を含む): 68372640

約数和(自身を除く): 46556664

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 49, 52, 56, 78, 84, 91, 98, 104, 147, 156, 168, 182, 196, 273, 294, 312, 364, 392, 546, 588, 637, 728, 1092, 1176, 1274, 1427, 1911, 2184, 2548, 2854, 3822, 4281, 5096, 5708, 7644, 8562, 9989, 11416, 15288, 17124, 18551, 19978, 29967, 34248, 37102, 39956, 55653, 59934, 69923, 74204, 79912, 111306, 119868, 129857, 139846, 148408, 209769, 222612, 239736, 259714, 279692, 389571, 419538, 445224, 519428, 559384, 779142, 839076, 908999, 1038856, 1558284, 1678152, 1817998, 2726997, 3116568, 3635996, 5453994, 7271992, 10907988, 21815976]

約数ペア:

[(1, 21815976), (2, 10907988), (3, 7271992), (4, 5453994), (6, 3635996), (7, 3116568), (8, 2726997), (12, 1817998), (13, 1678152), (14, 1558284), (21, 1038856), (24, 908999), (26, 839076), (28, 779142), (39, 559384), (42, 519428), (49, 445224), (52, 419538), (56, 389571), (78, 279692), (84, 259714), (91, 239736), (98, 222612), (104, 209769), (147, 148408), (156, 139846), (168, 129857), (182, 119868), (196, 111306), (273, 79912), (294, 74204), (312, 69923), (364, 59934), (392, 55653), (546, 39956), (588, 37102), (637, 34248), (728, 29967), (1092, 19978), (1176, 18551), (1274, 17124), (1427, 15288), (1911, 11416), (2184, 9989), (2548, 8562), (2854, 7644), (3822, 5708), (4281, 5096)]