21927150

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6961}}^1$

素因数の和:6986

約数の個数: 72

約数和(自身を含む): 67336464

約数和(自身を除く): 45409314

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6961, 13922, 20883, 34805, 41766, 48727, 62649, 69610, 97454, 104415, 125298, 146181, 174025, 208830, 243635, 292362, 313245, 348050, 438543, 487270, 522075, 626490, 730905, 877086, 1044150, 1218175, 1461810, 1566225, 2192715, 2436350, 3132450, 3654525, 4385430, 7309050, 10963575, 21927150]

約数ペア:

[(1, 21927150), (2, 10963575), (3, 7309050), (5, 4385430), (6, 3654525), (7, 3132450), (9, 2436350), (10, 2192715), (14, 1566225), (15, 1461810), (18, 1218175), (21, 1044150), (25, 877086), (30, 730905), (35, 626490), (42, 522075), (45, 487270), (50, 438543), (63, 348050), (70, 313245), (75, 292362), (90, 243635), (105, 208830), (126, 174025), (150, 146181), (175, 125298), (210, 104415), (225, 97454), (315, 69610), (350, 62649), (450, 48727), (525, 41766), (630, 34805), (1050, 20883), (1575, 13922), (3150, 6961)]