21650832

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:525

約数の個数: 120

約数和(自身を含む): 70876416

約数和(自身を除く): 49225584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 47, 48, 56, 63, 72, 84, 94, 112, 126, 141, 144, 168, 188, 252, 282, 329, 336, 376, 423, 457, 504, 564, 658, 752, 846, 914, 987, 1008, 1128, 1316, 1371, 1692, 1828, 1974, 2256, 2632, 2742, 2961, 3199, 3384, 3656, 3948, 4113, 5264, 5484, 5922, 6398, 6768, 7312, 7896, 8226, 9597, 10968, 11844, 12796, 15792, 16452, 19194, 21479, 21936, 23688, 25592, 28791, 32904, 38388, 42958, 47376, 51184, 57582, 64437, 65808, 76776, 85916, 115164, 128874, 150353, 153552, 171832, 193311, 230328, 257748, 300706, 343664, 386622, 451059, 460656, 515496, 601412, 773244, 902118, 1030992, 1202824, 1353177, 1546488, 1804236, 2405648, 2706354, 3092976, 3608472, 5412708, 7216944, 10825416, 21650832]

約数ペア:

[(1, 21650832), (2, 10825416), (3, 7216944), (4, 5412708), (6, 3608472), (7, 3092976), (8, 2706354), (9, 2405648), (12, 1804236), (14, 1546488), (16, 1353177), (18, 1202824), (21, 1030992), (24, 902118), (28, 773244), (36, 601412), (42, 515496), (47, 460656), (48, 451059), (56, 386622), (63, 343664), (72, 300706), (84, 257748), (94, 230328), (112, 193311), (126, 171832), (141, 153552), (144, 150353), (168, 128874), (188, 115164), (252, 85916), (282, 76776), (329, 65808), (336, 64437), (376, 57582), (423, 51184), (457, 47376), (504, 42958), (564, 38388), (658, 32904), (752, 28791), (846, 25592), (914, 23688), (987, 21936), (1008, 21479), (1128, 19194), (1316, 16452), (1371, 15792), (1692, 12796), (1828, 11844), (1974, 10968), (2256, 9597), (2632, 8226), (2742, 7896), (2961, 7312), (3199, 6768), (3384, 6398), (3656, 5922), (3948, 5484), (4113, 5264)]