21867216

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 65138688

約数和(自身を除く): 43271472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 151, 168, 302, 336, 431, 453, 604, 862, 906, 1057, 1208, 1293, 1724, 1812, 2114, 2416, 2586, 3017, 3171, 3448, 3624, 4228, 5172, 6034, 6342, 6896, 7248, 8456, 9051, 10344, 12068, 12684, 16912, 18102, 20688, 24136, 25368, 36204, 48272, 50736, 65081, 72408, 130162, 144816, 195243, 260324, 390486, 455567, 520648, 780972, 911134, 1041296, 1366701, 1561944, 1822268, 2733402, 3123888, 3644536, 5466804, 7289072, 10933608, 21867216]

約数ペア:

[(1, 21867216), (2, 10933608), (3, 7289072), (4, 5466804), (6, 3644536), (7, 3123888), (8, 2733402), (12, 1822268), (14, 1561944), (16, 1366701), (21, 1041296), (24, 911134), (28, 780972), (42, 520648), (48, 455567), (56, 390486), (84, 260324), (112, 195243), (151, 144816), (168, 130162), (302, 72408), (336, 65081), (431, 50736), (453, 48272), (604, 36204), (862, 25368), (906, 24136), (1057, 20688), (1208, 18102), (1293, 16912), (1724, 12684), (1812, 12068), (2114, 10344), (2416, 9051), (2586, 8456), (3017, 7248), (3171, 6896), (3448, 6342), (3624, 6034), (4228, 5172)]