21835864

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1481}}^1$

素因数の和:1603

約数の個数: 32

約数和(自身を含む): 43570800

約数和(自身を除く): 21734936

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 194, 388, 776, 1481, 1843, 2962, 3686, 5924, 7372, 11848, 14744, 28139, 56278, 112556, 143657, 225112, 287314, 574628, 1149256, 2729483, 5458966, 10917932, 21835864]

約数ペア:

[(1, 21835864), (2, 10917932), (4, 5458966), (8, 2729483), (19, 1149256), (38, 574628), (76, 287314), (97, 225112), (152, 143657), (194, 112556), (388, 56278), (776, 28139), (1481, 14744), (1843, 11848), (2962, 7372), (3686, 5924)]