21196944

素因数分解:

$2^4\times 3^3\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:509

約数の個数: 80

約数和(自身を含む): 61454400

約数和(自身を除く): 40257456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 139, 144, 216, 278, 353, 417, 432, 556, 706, 834, 1059, 1112, 1251, 1412, 1668, 2118, 2224, 2502, 2824, 3177, 3336, 3753, 4236, 5004, 5648, 6354, 6672, 7506, 8472, 9531, 10008, 12708, 15012, 16944, 19062, 20016, 25416, 30024, 38124, 49067, 50832, 60048, 76248, 98134, 147201, 152496, 196268, 294402, 392536, 441603, 588804, 785072, 883206, 1177608, 1324809, 1766412, 2355216, 2649618, 3532824, 5299236, 7065648, 10598472, 21196944]

約数ペア:

[(1, 21196944), (2, 10598472), (3, 7065648), (4, 5299236), (6, 3532824), (8, 2649618), (9, 2355216), (12, 1766412), (16, 1324809), (18, 1177608), (24, 883206), (27, 785072), (36, 588804), (48, 441603), (54, 392536), (72, 294402), (108, 196268), (139, 152496), (144, 147201), (216, 98134), (278, 76248), (353, 60048), (417, 50832), (432, 49067), (556, 38124), (706, 30024), (834, 25416), (1059, 20016), (1112, 19062), (1251, 16944), (1412, 15012), (1668, 12708), (2118, 10008), (2224, 9531), (2502, 8472), (2824, 7506), (3177, 6672), (3336, 6354), (3753, 5648), (4236, 5004)]