21970736

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{22511}}^1$

素因数の和:22580

約数の個数: 20

約数和(自身を含む): 43268064

約数和(自身を除く): 21297328

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 22511, 45022, 90044, 180088, 360176, 1373171, 2746342, 5492684, 10985368, 21970736]

約数ペア:

[(1, 21970736), (2, 10985368), (4, 5492684), (8, 2746342), (16, 1373171), (61, 360176), (122, 180088), (244, 90044), (488, 45022), (976, 22511)]