21556559745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{4337}}^1$

素因数の和:4895

約数の個数: 96

約数和(自身を含む): 44176803840

約数和(自身を除く): 22620244095

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 509, 651, 1085, 1395, 1527, 1953, 2545, 3255, 3563, 4337, 4581, 7635, 9765, 10689, 13011, 15779, 17815, 21685, 22905, 30359, 32067, 39033, 47337, 53445, 65055, 78895, 91077, 110453, 134447, 142011, 151795, 160335, 195165, 236685, 273231, 331359, 403341, 455385, 552265, 672235, 710055, 941129, 994077, 1210023, 1366155, 1656795, 2016705, 2207533, 2823387, 4705645, 4970385, 6050115, 6622599, 8470161, 11037665, 14116935, 15452731, 19867797, 33112995, 42350805, 46358193, 68433523, 77263655, 99338985, 139074579, 205300569, 231790965, 342167615, 479034661, 615901707, 695372895, 1026502845, 1437103983, 2395173305, 3079508535, 4311311949, 7185519915, 21556559745]

約数ペア:

[(1, 21556559745), (3, 7185519915), (5, 4311311949), (7, 3079508535), (9, 2395173305), (15, 1437103983), (21, 1026502845), (31, 695372895), (35, 615901707), (45, 479034661), (63, 342167615), (93, 231790965), (105, 205300569), (155, 139074579), (217, 99338985), (279, 77263655), (315, 68433523), (465, 46358193), (509, 42350805), (651, 33112995), (1085, 19867797), (1395, 15452731), (1527, 14116935), (1953, 11037665), (2545, 8470161), (3255, 6622599), (3563, 6050115), (4337, 4970385), (4581, 4705645), (7635, 2823387), (9765, 2207533), (10689, 2016705), (13011, 1656795), (15779, 1366155), (17815, 1210023), (21685, 994077), (22905, 941129), (30359, 710055), (32067, 672235), (39033, 552265), (47337, 455385), (53445, 403341), (65055, 331359), (78895, 273231), (91077, 236685), (110453, 195165), (134447, 160335), (142011, 151795)]