21207804933

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{70627}}^1$

素因数の和:70897

約数の個数: 32

約数和(自身を含む): 32906997760

約数和(自身を除く): 11699192827

約数列:

[1, 3, 7, 21, 79, 181, 237, 543, 553, 1267, 1659, 3801, 14299, 42897, 70627, 100093, 211881, 300279, 494389, 1483167, 5579533, 12783487, 16738599, 38350461, 39056731, 89484409, 117170193, 268453227, 1009895473, 3029686419, 7069268311, 21207804933]

約数ペア:

[(1, 21207804933), (3, 7069268311), (7, 3029686419), (21, 1009895473), (79, 268453227), (181, 117170193), (237, 89484409), (543, 39056731), (553, 38350461), (1267, 16738599), (1659, 12783487), (3801, 5579533), (14299, 1483167), (42897, 494389), (70627, 300279), (100093, 211881)]