21939588

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3259}}^1$

素因数の和:3297

約数の個数: 72

約数和(自身を含む): 64078560

約数和(自身を除く): 42138972

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 132, 153, 187, 198, 204, 306, 374, 396, 561, 612, 748, 1122, 1683, 2244, 3259, 3366, 6518, 6732, 9777, 13036, 19554, 29331, 35849, 39108, 55403, 58662, 71698, 107547, 110806, 117324, 143396, 166209, 215094, 221612, 322641, 332418, 430188, 498627, 609433, 645282, 664836, 997254, 1218866, 1290564, 1828299, 1994508, 2437732, 3656598, 5484897, 7313196, 10969794, 21939588]

約数ペア:

[(1, 21939588), (2, 10969794), (3, 7313196), (4, 5484897), (6, 3656598), (9, 2437732), (11, 1994508), (12, 1828299), (17, 1290564), (18, 1218866), (22, 997254), (33, 664836), (34, 645282), (36, 609433), (44, 498627), (51, 430188), (66, 332418), (68, 322641), (99, 221612), (102, 215094), (132, 166209), (153, 143396), (187, 117324), (198, 110806), (204, 107547), (306, 71698), (374, 58662), (396, 55403), (561, 39108), (612, 35849), (748, 29331), (1122, 19554), (1683, 13036), (2244, 9777), (3259, 6732), (3366, 6518)]