21493752

素因数分解:

$2^3\times 3^1\times 7^4\times {\mathrm{373}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 62854440

約数和(自身を除く): 41360688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 373, 392, 588, 686, 746, 1029, 1119, 1176, 1372, 1492, 2058, 2238, 2401, 2611, 2744, 2984, 4116, 4476, 4802, 5222, 7203, 7833, 8232, 8952, 9604, 10444, 14406, 15666, 18277, 19208, 20888, 28812, 31332, 36554, 54831, 57624, 62664, 73108, 109662, 127939, 146216, 219324, 255878, 383817, 438648, 511756, 767634, 895573, 1023512, 1535268, 1791146, 2686719, 3070536, 3582292, 5373438, 7164584, 10746876, 21493752]

約数ペア:

[(1, 21493752), (2, 10746876), (3, 7164584), (4, 5373438), (6, 3582292), (7, 3070536), (8, 2686719), (12, 1791146), (14, 1535268), (21, 1023512), (24, 895573), (28, 767634), (42, 511756), (49, 438648), (56, 383817), (84, 255878), (98, 219324), (147, 146216), (168, 127939), (196, 109662), (294, 73108), (343, 62664), (373, 57624), (392, 54831), (588, 36554), (686, 31332), (746, 28812), (1029, 20888), (1119, 19208), (1176, 18277), (1372, 15666), (1492, 14406), (2058, 10444), (2238, 9604), (2401, 8952), (2611, 8232), (2744, 7833), (2984, 7203), (4116, 5222), (4476, 4802)]