21224784

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 63190400

約数和(自身を除く): 41965616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 181, 336, 349, 362, 543, 698, 724, 1047, 1086, 1267, 1396, 1448, 2094, 2172, 2443, 2534, 2792, 2896, 3801, 4188, 4344, 4886, 5068, 5584, 7329, 7602, 8376, 8688, 9772, 10136, 14658, 15204, 16752, 19544, 20272, 29316, 30408, 39088, 58632, 60816, 63169, 117264, 126338, 189507, 252676, 379014, 442183, 505352, 758028, 884366, 1010704, 1326549, 1516056, 1768732, 2653098, 3032112, 3537464, 5306196, 7074928, 10612392, 21224784]

約数ペア:

[(1, 21224784), (2, 10612392), (3, 7074928), (4, 5306196), (6, 3537464), (7, 3032112), (8, 2653098), (12, 1768732), (14, 1516056), (16, 1326549), (21, 1010704), (24, 884366), (28, 758028), (42, 505352), (48, 442183), (56, 379014), (84, 252676), (112, 189507), (168, 126338), (181, 117264), (336, 63169), (349, 60816), (362, 58632), (543, 39088), (698, 30408), (724, 29316), (1047, 20272), (1086, 19544), (1267, 16752), (1396, 15204), (1448, 14658), (2094, 10136), (2172, 9772), (2443, 8688), (2534, 8376), (2792, 7602), (2896, 7329), (3801, 5584), (4188, 5068), (4344, 4886)]