21139941728

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{14929}}^1$

素因数の和:15112

約数の個数: 96

約数和(自身を含む): 46728511200

約数和(自身を除く): 25588569472

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 137, 152, 272, 274, 304, 323, 544, 548, 608, 646, 1096, 1292, 2192, 2329, 2584, 2603, 4384, 4658, 5168, 5206, 9316, 10336, 10412, 14929, 18632, 20824, 29858, 37264, 41648, 44251, 59716, 74528, 83296, 88502, 119432, 177004, 238864, 253793, 283651, 354008, 477728, 507586, 567302, 708016, 1015172, 1134604, 1416032, 2030344, 2045273, 2269208, 4060688, 4090546, 4538416, 4822067, 8121376, 8181092, 9076832, 9644134, 16362184, 19288268, 32724368, 34769641, 38576536, 38860187, 65448736, 69539282, 77153072, 77720374, 139078564, 154306144, 155440748, 278157128, 310881496, 556314256, 621762992, 660623179, 1112628512, 1243525984, 1321246358, 2642492716, 5284985432, 10569970864, 21139941728]

約数ペア:

[(1, 21139941728), (2, 10569970864), (4, 5284985432), (8, 2642492716), (16, 1321246358), (17, 1243525984), (19, 1112628512), (32, 660623179), (34, 621762992), (38, 556314256), (68, 310881496), (76, 278157128), (136, 155440748), (137, 154306144), (152, 139078564), (272, 77720374), (274, 77153072), (304, 69539282), (323, 65448736), (544, 38860187), (548, 38576536), (608, 34769641), (646, 32724368), (1096, 19288268), (1292, 16362184), (2192, 9644134), (2329, 9076832), (2584, 8181092), (2603, 8121376), (4384, 4822067), (4658, 4538416), (5168, 4090546), (5206, 4060688), (9316, 2269208), (10336, 2045273), (10412, 2030344), (14929, 1416032), (18632, 1134604), (20824, 1015172), (29858, 708016), (37264, 567302), (41648, 507586), (44251, 477728), (59716, 354008), (74528, 283651), (83296, 253793), (88502, 238864), (119432, 177004)]