21851388656

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1\times {\mathrm{631}}^1$

素因数の和:1210

約数の個数: 80

約数和(自身を含む): 43753324608

約数和(自身を除く): 21901935952

約数列:

[1, 2, 4, 8, 16, 53, 97, 106, 194, 212, 388, 421, 424, 631, 776, 842, 848, 1262, 1552, 1684, 2524, 3368, 5048, 5141, 6736, 10096, 10282, 20564, 22313, 33443, 40837, 41128, 44626, 61207, 66886, 81674, 82256, 89252, 122414, 133772, 163348, 178504, 244828, 265651, 267544, 326696, 357008, 489656, 531302, 535088, 653392, 979312, 1062604, 2125208, 2164361, 3243971, 4250416, 4328722, 6487942, 8657444, 12975884, 14079503, 17314888, 25768147, 25951768, 28159006, 34629776, 51536294, 51903536, 56318012, 103072588, 112636024, 206145176, 225272048, 412290352, 1365711791, 2731423582, 5462847164, 10925694328, 21851388656]

約数ペア:

[(1, 21851388656), (2, 10925694328), (4, 5462847164), (8, 2731423582), (16, 1365711791), (53, 412290352), (97, 225272048), (106, 206145176), (194, 112636024), (212, 103072588), (388, 56318012), (421, 51903536), (424, 51536294), (631, 34629776), (776, 28159006), (842, 25951768), (848, 25768147), (1262, 17314888), (1552, 14079503), (1684, 12975884), (2524, 8657444), (3368, 6487942), (5048, 4328722), (5141, 4250416), (6736, 3243971), (10096, 2164361), (10282, 2125208), (20564, 1062604), (22313, 979312), (33443, 653392), (40837, 535088), (41128, 531302), (44626, 489656), (61207, 357008), (66886, 326696), (81674, 267544), (82256, 265651), (89252, 244828), (122414, 178504), (133772, 163348)]