21540234984

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1\times {\mathrm{631}}^1$

素因数の和:1311

約数の個数: 128

約数和(自身を含む): 56221102080

約数和(自身を除く): 34680867096

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 53, 94, 106, 141, 159, 188, 212, 282, 318, 376, 424, 564, 571, 631, 636, 1128, 1142, 1262, 1272, 1713, 1893, 2284, 2491, 2524, 3426, 3786, 4568, 4982, 5048, 6852, 7473, 7572, 9964, 13704, 14946, 15144, 19928, 26837, 29657, 29892, 30263, 33443, 53674, 59314, 59784, 60526, 66886, 80511, 88971, 90789, 100329, 107348, 118628, 121052, 133772, 161022, 177942, 181578, 200658, 214696, 237256, 242104, 267544, 322044, 355884, 360301, 363156, 401316, 644088, 711768, 720602, 726312, 802632, 1080903, 1422361, 1441204, 1571821, 2161806, 2844722, 2882408, 3143642, 4267083, 4323612, 4715463, 5689444, 6287284, 8534166, 8647224, 9430926, 11378888, 12574568, 16934147, 17068332, 18861852, 19095953, 33868294, 34136664, 37723704, 38191906, 50802441, 57287859, 67736588, 76383812, 101604882, 114575718, 135473176, 152767624, 203209764, 229151436, 406419528, 458302872, 897509791, 1795019582, 2692529373, 3590039164, 5385058746, 7180078328, 10770117492, 21540234984]

約数ペア:

[(1, 21540234984), (2, 10770117492), (3, 7180078328), (4, 5385058746), (6, 3590039164), (8, 2692529373), (12, 1795019582), (24, 897509791), (47, 458302872), (53, 406419528), (94, 229151436), (106, 203209764), (141, 152767624), (159, 135473176), (188, 114575718), (212, 101604882), (282, 76383812), (318, 67736588), (376, 57287859), (424, 50802441), (564, 38191906), (571, 37723704), (631, 34136664), (636, 33868294), (1128, 19095953), (1142, 18861852), (1262, 17068332), (1272, 16934147), (1713, 12574568), (1893, 11378888), (2284, 9430926), (2491, 8647224), (2524, 8534166), (3426, 6287284), (3786, 5689444), (4568, 4715463), (4982, 4323612), (5048, 4267083), (6852, 3143642), (7473, 2882408), (7572, 2844722), (9964, 2161806), (13704, 1571821), (14946, 1441204), (15144, 1422361), (19928, 1080903), (26837, 802632), (29657, 726312), (29892, 720602), (30263, 711768), (33443, 644088), (53674, 401316), (59314, 363156), (59784, 360301), (60526, 355884), (66886, 322044), (80511, 267544), (88971, 242104), (90789, 237256), (100329, 214696), (107348, 200658), (118628, 181578), (121052, 177942), (133772, 161022)]