21105536

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 44945280

約数和(自身を除く): 23839744

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 67, 92, 107, 128, 134, 184, 214, 268, 368, 428, 536, 736, 856, 1072, 1472, 1541, 1712, 2144, 2461, 2944, 3082, 3424, 4288, 4922, 6164, 6848, 7169, 8576, 9844, 12328, 13696, 14338, 19688, 24656, 28676, 39376, 49312, 57352, 78752, 98624, 114704, 157504, 164887, 197248, 229408, 315008, 329774, 458816, 659548, 917632, 1319096, 2638192, 5276384, 10552768, 21105536]

約数ペア:

[(1, 21105536), (2, 10552768), (4, 5276384), (8, 2638192), (16, 1319096), (23, 917632), (32, 659548), (46, 458816), (64, 329774), (67, 315008), (92, 229408), (107, 197248), (128, 164887), (134, 157504), (184, 114704), (214, 98624), (268, 78752), (368, 57352), (428, 49312), (536, 39376), (736, 28676), (856, 24656), (1072, 19688), (1472, 14338), (1541, 13696), (1712, 12328), (2144, 9844), (2461, 8576), (2944, 7169), (3082, 6848), (3424, 6164), (4288, 4922)]