21732260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{571}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 50162112

約数和(自身を除く): 28429852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 571, 692, 865, 1142, 1730, 1903, 2284, 2855, 3460, 3806, 5710, 6281, 7612, 9515, 11420, 12562, 19030, 25124, 31405, 38060, 62810, 98783, 125620, 197566, 395132, 493915, 987830, 1086613, 1975660, 2173226, 4346452, 5433065, 10866130, 21732260]

約数ペア:

[(1, 21732260), (2, 10866130), (4, 5433065), (5, 4346452), (10, 2173226), (11, 1975660), (20, 1086613), (22, 987830), (44, 493915), (55, 395132), (110, 197566), (173, 125620), (220, 98783), (346, 62810), (571, 38060), (692, 31405), (865, 25124), (1142, 19030), (1730, 12562), (1903, 11420), (2284, 9515), (2855, 7612), (3460, 6281), (3806, 5710)]