21000369702

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1487489}}^1$

素因数の和:1487688

約数の個数: 32

約数和(自身を含む): 45481494240

約数和(自身を除く): 24481124538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 181, 362, 543, 1086, 2353, 4706, 7059, 14118, 1487489, 2974978, 4462467, 8924934, 19337357, 38674714, 58012071, 116024142, 269235509, 538471018, 807706527, 1615413054, 3500061617, 7000123234, 10500184851, 21000369702]

約数ペア:

[(1, 21000369702), (2, 10500184851), (3, 7000123234), (6, 3500061617), (13, 1615413054), (26, 807706527), (39, 538471018), (78, 269235509), (181, 116024142), (362, 58012071), (543, 38674714), (1086, 19337357), (2353, 8924934), (4706, 4462467), (7059, 2974978), (14118, 1487489)]