21014616

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2909}}^1$

素因数の和:2968

約数の個数: 64

約数和(自身を含む): 61459200

約数和(自身を除く): 40444584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 2909, 3612, 5818, 7224, 8727, 11636, 17454, 20363, 23272, 34908, 40726, 61089, 69816, 81452, 122178, 125087, 162904, 244356, 250174, 375261, 488712, 500348, 750522, 875609, 1000696, 1501044, 1751218, 2626827, 3002088, 3502436, 5253654, 7004872, 10507308, 21014616]

約数ペア:

[(1, 21014616), (2, 10507308), (3, 7004872), (4, 5253654), (6, 3502436), (7, 3002088), (8, 2626827), (12, 1751218), (14, 1501044), (21, 1000696), (24, 875609), (28, 750522), (42, 500348), (43, 488712), (56, 375261), (84, 250174), (86, 244356), (129, 162904), (168, 125087), (172, 122178), (258, 81452), (301, 69816), (344, 61089), (516, 40726), (602, 34908), (903, 23272), (1032, 20363), (1204, 17454), (1806, 11636), (2408, 8727), (2909, 7224), (3612, 5818)]