21085550931

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1\times {\mathrm{1217}}^1$

素因数の和:1803

約数の個数: 32

約数和(自身を含む): 28655778816

約数和(自身を除く): 7570227885

約数列:

[1, 3, 101, 211, 271, 303, 633, 813, 1217, 3651, 21311, 27371, 57181, 63933, 82113, 122917, 171543, 256787, 329807, 368751, 770361, 989421, 5775281, 17325843, 25935487, 33310507, 69589277, 77806461, 99931521, 208767831, 7028516977, 21085550931]

約数ペア:

[(1, 21085550931), (3, 7028516977), (101, 208767831), (211, 99931521), (271, 77806461), (303, 69589277), (633, 33310507), (813, 25935487), (1217, 17325843), (3651, 5775281), (21311, 989421), (27371, 770361), (57181, 368751), (63933, 329807), (82113, 256787), (122917, 171543)]