21829380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8461}}^1$

素因数の和:8516

約数の個数: 48

約数和(自身を含む): 62551104

約数和(自身を除く): 40721724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 8461, 16922, 25383, 33844, 42305, 50766, 84610, 101532, 126915, 169220, 253830, 363823, 507660, 727646, 1091469, 1455292, 1819115, 2182938, 3638230, 4365876, 5457345, 7276460, 10914690, 21829380]

約数ペア:

[(1, 21829380), (2, 10914690), (3, 7276460), (4, 5457345), (5, 4365876), (6, 3638230), (10, 2182938), (12, 1819115), (15, 1455292), (20, 1091469), (30, 727646), (43, 507660), (60, 363823), (86, 253830), (129, 169220), (172, 126915), (215, 101532), (258, 84610), (430, 50766), (516, 42305), (645, 33844), (860, 25383), (1290, 16922), (2580, 8461)]