21732447

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 35239680

約数和(自身を除く): 13507233

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 121, 137, 209, 253, 363, 411, 437, 627, 759, 1311, 1507, 2299, 2603, 2783, 3151, 4521, 4807, 6897, 7809, 8349, 9453, 14421, 16577, 28633, 34661, 49731, 52877, 59869, 85899, 103983, 158631, 179607, 314963, 381271, 658559, 944889, 1143813, 1975677, 7244149, 21732447]

約数ペア:

[(1, 21732447), (3, 7244149), (11, 1975677), (19, 1143813), (23, 944889), (33, 658559), (57, 381271), (69, 314963), (121, 179607), (137, 158631), (209, 103983), (253, 85899), (363, 59869), (411, 52877), (437, 49731), (627, 34661), (759, 28633), (1311, 16577), (1507, 14421), (2299, 9453), (2603, 8349), (2783, 7809), (3151, 6897), (4521, 4807)]