21890664

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{13219}}^1$

素因数の和:13254

約数の個数: 48

約数和(自身を含む): 61869600

約数和(自身を除く): 39978936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 13219, 26438, 39657, 52876, 79314, 105752, 118971, 158628, 237942, 304037, 317256, 475884, 608074, 912111, 951768, 1216148, 1824222, 2432296, 2736333, 3648444, 5472666, 7296888, 10945332, 21890664]

約数ペア:

[(1, 21890664), (2, 10945332), (3, 7296888), (4, 5472666), (6, 3648444), (8, 2736333), (9, 2432296), (12, 1824222), (18, 1216148), (23, 951768), (24, 912111), (36, 608074), (46, 475884), (69, 317256), (72, 304037), (92, 237942), (138, 158628), (184, 118971), (207, 105752), (276, 79314), (414, 52876), (552, 39657), (828, 26438), (1656, 13219)]