21479536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2791}}^1$

素因数の和:2849

約数の個数: 40

約数和(自身を含む): 46045664

約数和(自身を除く): 24566128

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2791, 3848, 5582, 7696, 11164, 22328, 36283, 44656, 72566, 103267, 145132, 206534, 290264, 413068, 580528, 826136, 1342471, 1652272, 2684942, 5369884, 10739768, 21479536]

約数ペア:

[(1, 21479536), (2, 10739768), (4, 5369884), (8, 2684942), (13, 1652272), (16, 1342471), (26, 826136), (37, 580528), (52, 413068), (74, 290264), (104, 206534), (148, 145132), (208, 103267), (296, 72566), (481, 44656), (592, 36283), (962, 22328), (1924, 11164), (2791, 7696), (3848, 5582)]