21877290

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{3001}}^1$

素因数の和:3026

約数の個数: 56

約数和(自身を含む): 59061348

約数和(自身を除く): 37184058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 1215, 1458, 2430, 3001, 3645, 6002, 7290, 9003, 15005, 18006, 27009, 30010, 45015, 54018, 81027, 90030, 135045, 162054, 243081, 270090, 405135, 486162, 729243, 810270, 1215405, 1458486, 2187729, 2430810, 3646215, 4375458, 7292430, 10938645, 21877290]

約数ペア:

[(1, 21877290), (2, 10938645), (3, 7292430), (5, 4375458), (6, 3646215), (9, 2430810), (10, 2187729), (15, 1458486), (18, 1215405), (27, 810270), (30, 729243), (45, 486162), (54, 405135), (81, 270090), (90, 243081), (135, 162054), (162, 135045), (243, 90030), (270, 81027), (405, 54018), (486, 45015), (729, 30010), (810, 27009), (1215, 18006), (1458, 15005), (2430, 9003), (3001, 7290), (3645, 6002)]