21571293518

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:585

約数の個数: 64

約数和(自身を含む): 34401024000

約数和(自身を除く): 12829730482

約数列:

[1, 2, 31, 62, 107, 139, 149, 157, 214, 278, 298, 314, 3317, 4309, 4619, 4867, 6634, 8618, 9238, 9734, 14873, 15943, 16799, 20711, 21823, 23393, 29746, 31886, 33598, 41422, 43646, 46786, 461063, 494233, 520769, 642041, 676513, 725183, 922126, 988466, 1041538, 1284082, 1353026, 1450366, 2216077, 2335061, 2503051, 3251627, 4432154, 4670122, 5006102, 6503254, 68698387, 72386891, 77594581, 100800437, 137396774, 144773782, 155189162, 201600874, 347924089, 695848178, 10785646759, 21571293518]

約数ペア:

[(1, 21571293518), (2, 10785646759), (31, 695848178), (62, 347924089), (107, 201600874), (139, 155189162), (149, 144773782), (157, 137396774), (214, 100800437), (278, 77594581), (298, 72386891), (314, 68698387), (3317, 6503254), (4309, 5006102), (4619, 4670122), (4867, 4432154), (6634, 3251627), (8618, 2503051), (9238, 2335061), (9734, 2216077), (14873, 1450366), (15943, 1353026), (16799, 1284082), (20711, 1041538), (21823, 988466), (23393, 922126), (29746, 725183), (31886, 676513), (33598, 642041), (41422, 520769), (43646, 494233), (46786, 461063)]