21000953352

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1\times {\mathrm{613}}^1$

素因数の和:1127

約数の個数: 128

約数和(自身を含む): 54561513600

約数和(自身を除く): 33560560248

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 89, 129, 172, 178, 258, 267, 344, 356, 373, 516, 534, 613, 712, 746, 1032, 1068, 1119, 1226, 1492, 1839, 2136, 2238, 2452, 2984, 3678, 3827, 4476, 4904, 7356, 7654, 8952, 11481, 14712, 15308, 16039, 22962, 26359, 30616, 32078, 33197, 45924, 48117, 52718, 54557, 64156, 66394, 79077, 91848, 96234, 99591, 105436, 109114, 128312, 132788, 158154, 163671, 192468, 199182, 210872, 218228, 228649, 265576, 316308, 327342, 384936, 398364, 436456, 457298, 632616, 654684, 685947, 796728, 914596, 1309368, 1371894, 1427471, 1829192, 2345951, 2743788, 2854942, 4282413, 4691902, 5487576, 5709884, 7037853, 8564826, 9383804, 9831907, 11419768, 14075706, 17129652, 18767608, 19663814, 20349761, 28151412, 29495721, 34259304, 39327628, 40699522, 56302824, 58991442, 61049283, 78655256, 81399044, 117982884, 122098566, 162798088, 235965768, 244197132, 488394264, 875039723, 1750079446, 2625119169, 3500158892, 5250238338, 7000317784, 10500476676, 21000953352]

約数ペア:

[(1, 21000953352), (2, 10500476676), (3, 7000317784), (4, 5250238338), (6, 3500158892), (8, 2625119169), (12, 1750079446), (24, 875039723), (43, 488394264), (86, 244197132), (89, 235965768), (129, 162798088), (172, 122098566), (178, 117982884), (258, 81399044), (267, 78655256), (344, 61049283), (356, 58991442), (373, 56302824), (516, 40699522), (534, 39327628), (613, 34259304), (712, 29495721), (746, 28151412), (1032, 20349761), (1068, 19663814), (1119, 18767608), (1226, 17129652), (1492, 14075706), (1839, 11419768), (2136, 9831907), (2238, 9383804), (2452, 8564826), (2984, 7037853), (3678, 5709884), (3827, 5487576), (4476, 4691902), (4904, 4282413), (7356, 2854942), (7654, 2743788), (8952, 2345951), (11481, 1829192), (14712, 1427471), (15308, 1371894), (16039, 1309368), (22962, 914596), (26359, 796728), (30616, 685947), (32078, 654684), (33197, 632616), (45924, 457298), (48117, 436456), (52718, 398364), (54557, 384936), (64156, 327342), (66394, 316308), (79077, 265576), (91848, 228649), (96234, 218228), (99591, 210872), (105436, 199182), (109114, 192468), (128312, 163671), (132788, 158154)]