21197536

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:463

約数の個数: 48

約数和(自身を含む): 44198784

約数和(自身を除く): 23001248

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 83, 92, 166, 184, 332, 347, 368, 664, 694, 736, 1328, 1388, 1909, 2656, 2776, 3818, 5552, 7636, 7981, 11104, 15272, 15962, 28801, 30544, 31924, 57602, 61088, 63848, 115204, 127696, 230408, 255392, 460816, 662423, 921632, 1324846, 2649692, 5299384, 10598768, 21197536]

約数ペア:

[(1, 21197536), (2, 10598768), (4, 5299384), (8, 2649692), (16, 1324846), (23, 921632), (32, 662423), (46, 460816), (83, 255392), (92, 230408), (166, 127696), (184, 115204), (332, 63848), (347, 61088), (368, 57602), (664, 31924), (694, 30544), (736, 28801), (1328, 15962), (1388, 15272), (1909, 11104), (2656, 7981), (2776, 7636), (3818, 5552)]