21056431552

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1100357}}^1$

素因数の和:1100405

約数の個数: 56

約数和(自身を含む): 46954476576

約数和(自身を除く): 25898045024

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 184, 208, 299, 368, 416, 598, 736, 832, 1196, 1472, 2392, 4784, 9568, 19136, 1100357, 2200714, 4401428, 8802856, 14304641, 17605712, 25308211, 28609282, 35211424, 50616422, 57218564, 70422848, 101232844, 114437128, 202465688, 228874256, 329006743, 404931376, 457748512, 658013486, 809862752, 915497024, 1316026972, 1619725504, 2632053944, 5264107888, 10528215776, 21056431552]

約数ペア:

[(1, 21056431552), (2, 10528215776), (4, 5264107888), (8, 2632053944), (13, 1619725504), (16, 1316026972), (23, 915497024), (26, 809862752), (32, 658013486), (46, 457748512), (52, 404931376), (64, 329006743), (92, 228874256), (104, 202465688), (184, 114437128), (208, 101232844), (299, 70422848), (368, 57218564), (416, 50616422), (598, 35211424), (736, 28609282), (832, 25308211), (1196, 17605712), (1472, 14304641), (2392, 8802856), (4784, 4401428), (9568, 2200714), (19136, 1100357)]