21642852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 64189440

約数和(自身を除く): 42546588

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 59, 66, 77, 84, 118, 132, 154, 177, 231, 236, 308, 354, 397, 413, 462, 649, 708, 794, 826, 924, 1191, 1239, 1298, 1588, 1652, 1947, 2382, 2478, 2596, 2779, 3894, 4367, 4543, 4764, 4956, 5558, 7788, 8337, 8734, 9086, 11116, 13101, 13629, 16674, 17468, 18172, 23423, 26202, 27258, 30569, 33348, 46846, 52404, 54516, 61138, 70269, 91707, 93692, 122276, 140538, 163961, 183414, 257653, 281076, 327922, 366828, 491883, 515306, 655844, 772959, 983766, 1030612, 1545918, 1803571, 1967532, 3091836, 3607142, 5410713, 7214284, 10821426, 21642852]

約数ペア:

[(1, 21642852), (2, 10821426), (3, 7214284), (4, 5410713), (6, 3607142), (7, 3091836), (11, 1967532), (12, 1803571), (14, 1545918), (21, 1030612), (22, 983766), (28, 772959), (33, 655844), (42, 515306), (44, 491883), (59, 366828), (66, 327922), (77, 281076), (84, 257653), (118, 183414), (132, 163961), (154, 140538), (177, 122276), (231, 93692), (236, 91707), (308, 70269), (354, 61138), (397, 54516), (413, 52404), (462, 46846), (649, 33348), (708, 30569), (794, 27258), (826, 26202), (924, 23423), (1191, 18172), (1239, 17468), (1298, 16674), (1588, 13629), (1652, 13101), (1947, 11116), (2382, 9086), (2478, 8734), (2596, 8337), (2779, 7788), (3894, 5558), (4367, 4956), (4543, 4764)]