21167690128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{933649}}^1$

素因数の和:933779

約数の個数: 40

約数和(自身を含む): 44572451000

約数和(自身を除く): 23404760872

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 2834, 5668, 11336, 22672, 933649, 1867298, 3734596, 7469192, 12137437, 14938384, 24274874, 48549748, 97099496, 101767741, 194198992, 203535482, 407070964, 814141928, 1322980633, 1628283856, 2645961266, 5291922532, 10583845064, 21167690128]

約数ペア:

[(1, 21167690128), (2, 10583845064), (4, 5291922532), (8, 2645961266), (13, 1628283856), (16, 1322980633), (26, 814141928), (52, 407070964), (104, 203535482), (109, 194198992), (208, 101767741), (218, 97099496), (436, 48549748), (872, 24274874), (1417, 14938384), (1744, 12137437), (2834, 7469192), (5668, 3734596), (11336, 1867298), (22672, 933649)]