21656553420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{28307}}^1$

素因数の和:28671

約数の個数: 96

約数和(自身を含む): 62319269376

約数和(自身を除く): 40662715956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 311, 410, 492, 615, 622, 820, 933, 1230, 1244, 1555, 1866, 2460, 3110, 3732, 4665, 6220, 9330, 12751, 18660, 25502, 28307, 38253, 51004, 56614, 63755, 76506, 84921, 113228, 127510, 141535, 153012, 169842, 191265, 255020, 283070, 339684, 382530, 424605, 566140, 765060, 849210, 1160587, 1698420, 2321174, 3481761, 4642348, 5802935, 6963522, 8803477, 11605870, 13927044, 17408805, 17606954, 23211740, 26410431, 34817610, 35213908, 44017385, 52820862, 69635220, 88034770, 105641724, 132052155, 176069540, 264104310, 360942557, 528208620, 721885114, 1082827671, 1443770228, 1804712785, 2165655342, 3609425570, 4331310684, 5414138355, 7218851140, 10828276710, 21656553420]

約数ペア:

[(1, 21656553420), (2, 10828276710), (3, 7218851140), (4, 5414138355), (5, 4331310684), (6, 3609425570), (10, 2165655342), (12, 1804712785), (15, 1443770228), (20, 1082827671), (30, 721885114), (41, 528208620), (60, 360942557), (82, 264104310), (123, 176069540), (164, 132052155), (205, 105641724), (246, 88034770), (311, 69635220), (410, 52820862), (492, 44017385), (615, 35213908), (622, 34817610), (820, 26410431), (933, 23211740), (1230, 17606954), (1244, 17408805), (1555, 13927044), (1866, 11605870), (2460, 8803477), (3110, 6963522), (3732, 5802935), (4665, 4642348), (6220, 3481761), (9330, 2321174), (12751, 1698420), (18660, 1160587), (25502, 849210), (28307, 765060), (38253, 566140), (51004, 424605), (56614, 382530), (63755, 339684), (76506, 283070), (84921, 255020), (113228, 191265), (127510, 169842), (141535, 153012)]