21642588

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 64576512

約数和(自身を除く): 42933924

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 41, 43, 44, 62, 66, 82, 86, 93, 99, 123, 124, 129, 132, 164, 172, 186, 198, 246, 258, 279, 341, 369, 372, 387, 396, 451, 473, 492, 516, 558, 682, 738, 774, 902, 946, 1023, 1116, 1271, 1333, 1353, 1364, 1419, 1476, 1548, 1763, 1804, 1892, 2046, 2542, 2666, 2706, 2838, 3069, 3526, 3813, 3999, 4059, 4092, 4257, 5084, 5289, 5332, 5412, 5676, 6138, 7052, 7626, 7998, 8118, 8514, 10578, 11439, 11997, 12276, 13981, 14663, 15252, 15867, 15996, 16236, 17028, 19393, 21156, 22878, 23994, 27962, 29326, 31734, 38786, 41943, 43989, 45756, 47988, 54653, 55924, 58179, 58652, 63468, 77572, 83886, 87978, 109306, 116358, 125829, 131967, 163959, 167772, 174537, 175956, 218612, 232716, 251658, 263934, 327918, 349074, 491877, 503316, 527868, 601183, 655836, 698148, 983754, 1202366, 1803549, 1967508, 2404732, 3607098, 5410647, 7214196, 10821294, 21642588]

約数ペア:

[(1, 21642588), (2, 10821294), (3, 7214196), (4, 5410647), (6, 3607098), (9, 2404732), (11, 1967508), (12, 1803549), (18, 1202366), (22, 983754), (31, 698148), (33, 655836), (36, 601183), (41, 527868), (43, 503316), (44, 491877), (62, 349074), (66, 327918), (82, 263934), (86, 251658), (93, 232716), (99, 218612), (123, 175956), (124, 174537), (129, 167772), (132, 163959), (164, 131967), (172, 125829), (186, 116358), (198, 109306), (246, 87978), (258, 83886), (279, 77572), (341, 63468), (369, 58652), (372, 58179), (387, 55924), (396, 54653), (451, 47988), (473, 45756), (492, 43989), (516, 41943), (558, 38786), (682, 31734), (738, 29326), (774, 27962), (902, 23994), (946, 22878), (1023, 21156), (1116, 19393), (1271, 17028), (1333, 16236), (1353, 15996), (1364, 15867), (1419, 15252), (1476, 14663), (1548, 13981), (1763, 12276), (1804, 11997), (1892, 11439), (2046, 10578), (2542, 8514), (2666, 8118), (2706, 7998), (2838, 7626), (3069, 7052), (3526, 6138), (3813, 5676), (3999, 5412), (4059, 5332), (4092, 5289), (4257, 5084)]