21728156739

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{601}}^1\times {\mathrm{3673}}^1$

素因数の和:4487

約数の個数: 32

約数和(自身を含む): 30893696064

約数和(自身を除く): 9165539325

約数列:

[1, 3, 17, 51, 193, 579, 601, 1803, 3281, 3673, 9843, 10217, 11019, 30651, 62441, 115993, 187323, 347979, 708889, 1971881, 2126667, 2207473, 5915643, 6622419, 12051113, 36153339, 37527041, 112581123, 426042289, 1278126867, 7242718913, 21728156739]

約数ペア:

[(1, 21728156739), (3, 7242718913), (17, 1278126867), (51, 426042289), (193, 112581123), (579, 37527041), (601, 36153339), (1803, 12051113), (3281, 6622419), (3673, 5915643), (9843, 2207473), (10217, 2126667), (11019, 1971881), (30651, 708889), (62441, 347979), (115993, 187323)]