21538704

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 64629792

約数和(自身を除く): 43091088

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 113, 114, 132, 152, 176, 209, 226, 228, 264, 304, 339, 361, 418, 452, 456, 528, 627, 678, 722, 836, 904, 912, 1083, 1243, 1254, 1356, 1444, 1672, 1808, 2147, 2166, 2486, 2508, 2712, 2888, 3344, 3729, 3971, 4294, 4332, 4972, 5016, 5424, 5776, 6441, 7458, 7942, 8588, 8664, 9944, 10032, 11913, 12882, 14916, 15884, 17176, 17328, 19888, 23617, 23826, 25764, 29832, 31768, 34352, 40793, 47234, 47652, 51528, 59664, 63536, 70851, 81586, 94468, 95304, 103056, 122379, 141702, 163172, 188936, 190608, 244758, 283404, 326344, 377872, 448723, 489516, 566808, 652688, 897446, 979032, 1133616, 1346169, 1794892, 1958064, 2692338, 3589784, 5384676, 7179568, 10769352, 21538704]

約数ペア:

[(1, 21538704), (2, 10769352), (3, 7179568), (4, 5384676), (6, 3589784), (8, 2692338), (11, 1958064), (12, 1794892), (16, 1346169), (19, 1133616), (22, 979032), (24, 897446), (33, 652688), (38, 566808), (44, 489516), (48, 448723), (57, 377872), (66, 326344), (76, 283404), (88, 244758), (113, 190608), (114, 188936), (132, 163172), (152, 141702), (176, 122379), (209, 103056), (226, 95304), (228, 94468), (264, 81586), (304, 70851), (339, 63536), (361, 59664), (418, 51528), (452, 47652), (456, 47234), (528, 40793), (627, 34352), (678, 31768), (722, 29832), (836, 25764), (904, 23826), (912, 23617), (1083, 19888), (1243, 17328), (1254, 17176), (1356, 15884), (1444, 14916), (1672, 12882), (1808, 11913), (2147, 10032), (2166, 9944), (2486, 8664), (2508, 8588), (2712, 7942), (2888, 7458), (3344, 6441), (3729, 5776), (3971, 5424), (4294, 5016), (4332, 4972)]