21196854

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5801}}^1$

素因数の和:5845

約数の個数: 48

約数和(自身を含む): 54306720

約数和(自身を除く): 33109866

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5801, 11602, 17403, 34806, 40607, 52209, 81214, 104418, 121821, 168229, 243642, 336458, 365463, 504687, 730926, 1009374, 1177603, 1514061, 2355206, 3028122, 3532809, 7065618, 10598427, 21196854]

約数ペア:

[(1, 21196854), (2, 10598427), (3, 7065618), (6, 3532809), (7, 3028122), (9, 2355206), (14, 1514061), (18, 1177603), (21, 1009374), (29, 730926), (42, 504687), (58, 365463), (63, 336458), (87, 243642), (126, 168229), (174, 121821), (203, 104418), (261, 81214), (406, 52209), (522, 40607), (609, 34806), (1218, 17403), (1827, 11602), (3654, 5801)]