21210426

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 48016800

約数和(自身を除く): 26806374

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 179, 227, 261, 358, 454, 522, 537, 681, 1074, 1362, 1611, 2043, 3222, 4086, 5191, 6583, 10382, 13166, 15573, 19749, 31146, 39498, 40633, 46719, 59247, 81266, 93438, 118494, 121899, 243798, 365697, 731394, 1178357, 2356714, 3535071, 7070142, 10605213, 21210426]

約数ペア:

[(1, 21210426), (2, 10605213), (3, 7070142), (6, 3535071), (9, 2356714), (18, 1178357), (29, 731394), (58, 365697), (87, 243798), (174, 121899), (179, 118494), (227, 93438), (261, 81266), (358, 59247), (454, 46719), (522, 40633), (537, 39498), (681, 31146), (1074, 19749), (1362, 15573), (1611, 13166), (2043, 10382), (3222, 6583), (4086, 5191)]