21252344

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 40830240

約数和(自身を除く): 19577896

約数列:

[1, 2, 4, 8, 73, 146, 151, 241, 292, 302, 482, 584, 604, 964, 1208, 1928, 11023, 17593, 22046, 35186, 36391, 44092, 70372, 72782, 88184, 140744, 145564, 291128, 2656543, 5313086, 10626172, 21252344]

約数ペア:

[(1, 21252344), (2, 10626172), (4, 5313086), (8, 2656543), (73, 291128), (146, 145564), (151, 140744), (241, 88184), (292, 72782), (302, 70372), (482, 44092), (584, 36391), (604, 35186), (964, 22046), (1208, 17593), (1928, 11023)]