21184830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{587}}^1$

素因数の和:1001

約数の個数: 48

約数和(自身を含む): 55311984

約数和(自身を除く): 34127154

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 401, 587, 802, 1174, 1203, 1761, 2005, 2406, 2935, 3522, 3609, 4010, 5283, 5870, 6015, 7218, 8805, 10566, 12030, 17610, 18045, 26415, 36090, 52830, 235387, 470774, 706161, 1176935, 1412322, 2118483, 2353870, 3530805, 4236966, 7061610, 10592415, 21184830]

約数ペア:

[(1, 21184830), (2, 10592415), (3, 7061610), (5, 4236966), (6, 3530805), (9, 2353870), (10, 2118483), (15, 1412322), (18, 1176935), (30, 706161), (45, 470774), (90, 235387), (401, 52830), (587, 36090), (802, 26415), (1174, 18045), (1203, 17610), (1761, 12030), (2005, 10566), (2406, 8805), (2935, 7218), (3522, 6015), (3609, 5870), (4010, 5283)]