21759816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 59270400

約数和(自身を除く): 37510584

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 97, 104, 156, 194, 291, 312, 388, 582, 719, 776, 1164, 1261, 1438, 2157, 2328, 2522, 2876, 3783, 4314, 5044, 5752, 7566, 8628, 9347, 10088, 15132, 17256, 18694, 28041, 30264, 37388, 56082, 69743, 74776, 112164, 139486, 209229, 224328, 278972, 418458, 557944, 836916, 906659, 1673832, 1813318, 2719977, 3626636, 5439954, 7253272, 10879908, 21759816]

約数ペア:

[(1, 21759816), (2, 10879908), (3, 7253272), (4, 5439954), (6, 3626636), (8, 2719977), (12, 1813318), (13, 1673832), (24, 906659), (26, 836916), (39, 557944), (52, 418458), (78, 278972), (97, 224328), (104, 209229), (156, 139486), (194, 112164), (291, 74776), (312, 69743), (388, 56082), (582, 37388), (719, 30264), (776, 28041), (1164, 18694), (1261, 17256), (1438, 15132), (2157, 10088), (2328, 9347), (2522, 8628), (2876, 7566), (3783, 5752), (4314, 5044)]