21631610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2161}}^1$

素因数の和:2199

約数の個数: 64

約数和(自身を含む): 52303104

約数和(自身を除く): 30671494

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 2161, 4322, 5005, 10010, 10805, 15127, 21610, 23771, 28093, 30254, 47542, 56186, 75635, 118855, 140465, 151270, 166397, 196651, 237710, 280930, 309023, 332794, 393302, 618046, 831985, 983255, 1545115, 1663970, 1966510, 2163161, 3090230, 4326322, 10815805, 21631610]

約数ペア:

[(1, 21631610), (2, 10815805), (5, 4326322), (7, 3090230), (10, 2163161), (11, 1966510), (13, 1663970), (14, 1545115), (22, 983255), (26, 831985), (35, 618046), (55, 393302), (65, 332794), (70, 309023), (77, 280930), (91, 237710), (110, 196651), (130, 166397), (143, 151270), (154, 140465), (182, 118855), (286, 75635), (385, 56186), (455, 47542), (715, 30254), (770, 28093), (910, 23771), (1001, 21610), (1430, 15127), (2002, 10805), (2161, 10010), (4322, 5005)]