21974260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:797

約数の個数: 96

約数和(自身を含む): 60641280

約数和(自身を除く): 38667020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 665, 751, 770, 836, 1045, 1330, 1463, 1502, 1540, 2090, 2660, 2926, 3004, 3755, 4180, 5257, 5852, 7315, 7510, 8261, 10514, 14269, 14630, 15020, 16522, 21028, 26285, 28538, 29260, 33044, 41305, 52570, 57076, 57827, 71345, 82610, 99883, 105140, 115654, 142690, 156959, 165220, 199766, 231308, 285380, 289135, 313918, 399532, 499415, 578270, 627836, 784795, 998830, 1098713, 1156540, 1569590, 1997660, 2197426, 3139180, 4394852, 5493565, 10987130, 21974260]

約数ペア:

[(1, 21974260), (2, 10987130), (4, 5493565), (5, 4394852), (7, 3139180), (10, 2197426), (11, 1997660), (14, 1569590), (19, 1156540), (20, 1098713), (22, 998830), (28, 784795), (35, 627836), (38, 578270), (44, 499415), (55, 399532), (70, 313918), (76, 289135), (77, 285380), (95, 231308), (110, 199766), (133, 165220), (140, 156959), (154, 142690), (190, 115654), (209, 105140), (220, 99883), (266, 82610), (308, 71345), (380, 57827), (385, 57076), (418, 52570), (532, 41305), (665, 33044), (751, 29260), (770, 28538), (836, 26285), (1045, 21028), (1330, 16522), (1463, 15020), (1502, 14630), (1540, 14269), (2090, 10514), (2660, 8261), (2926, 7510), (3004, 7315), (3755, 5852), (4180, 5257)]