21931287944

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1\times {\mathrm{1823}}^1$

素因数の和:2382

約数の個数: 64

約数和(自身を含む): 42793228800

約数和(自身を除く): 20861940856

約数列:

[1, 2, 4, 8, 37, 74, 97, 148, 194, 296, 388, 419, 776, 838, 1676, 1823, 3352, 3589, 3646, 7178, 7292, 14356, 14584, 15503, 28712, 31006, 40643, 62012, 67451, 81286, 124024, 134902, 162572, 176831, 269804, 325144, 353662, 539608, 707324, 763837, 1414648, 1503791, 1527674, 3007582, 3055348, 6015164, 6110696, 6542747, 12030328, 13085494, 26170988, 28261969, 52341976, 56523938, 74092189, 113047876, 148184378, 226095752, 296368756, 592737512, 2741410993, 5482821986, 10965643972, 21931287944]

約数ペア:

[(1, 21931287944), (2, 10965643972), (4, 5482821986), (8, 2741410993), (37, 592737512), (74, 296368756), (97, 226095752), (148, 148184378), (194, 113047876), (296, 74092189), (388, 56523938), (419, 52341976), (776, 28261969), (838, 26170988), (1676, 13085494), (1823, 12030328), (3352, 6542747), (3589, 6110696), (3646, 6015164), (7178, 3055348), (7292, 3007582), (14356, 1527674), (14584, 1503791), (15503, 1414648), (28712, 763837), (31006, 707324), (40643, 539608), (62012, 353662), (67451, 325144), (81286, 269804), (124024, 176831), (134902, 162572)]