21956904

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{13259}}^1$

素因数の和:13294

約数の個数: 48

約数和(自身を含む): 62056800

約数和(自身を除く): 40099896

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, 13259, 26518, 39777, 53036, 79554, 106072, 119331, 159108, 238662, 304957, 318216, 477324, 609914, 914871, 954648, 1219828, 1829742, 2439656, 2744613, 3659484, 5489226, 7318968, 10978452, 21956904]

約数ペア:

[(1, 21956904), (2, 10978452), (3, 7318968), (4, 5489226), (6, 3659484), (8, 2744613), (9, 2439656), (12, 1829742), (18, 1219828), (23, 954648), (24, 914871), (36, 609914), (46, 477324), (69, 318216), (72, 304957), (92, 238662), (138, 159108), (184, 119331), (207, 106072), (276, 79554), (414, 53036), (552, 39777), (828, 26518), (1656, 13259)]