21643072425

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43271}}^1$

素因数の和:43325

約数の個数: 120

約数和(自身を含む): 45447716160

約数和(自身を除く): 23804643735

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 27, 39, 45, 57, 65, 75, 81, 95, 117, 135, 171, 195, 225, 247, 285, 325, 351, 405, 475, 513, 585, 675, 741, 855, 975, 1053, 1235, 1425, 1539, 1755, 2025, 2223, 2565, 2925, 3705, 4275, 5265, 6175, 6669, 7695, 8775, 11115, 12825, 18525, 20007, 26325, 33345, 38475, 43271, 55575, 100035, 129813, 166725, 216355, 389439, 500175, 562523, 649065, 822149, 1081775, 1168317, 1687569, 1947195, 2466447, 2812615, 3245325, 3504951, 4110745, 5062707, 5841585, 7399341, 8437845, 9735975, 10687937, 12332235, 14063075, 15188121, 17524755, 20553725, 22198023, 25313535, 29207925, 32063811, 36996705, 42189225, 45564363, 53439685, 61661175, 66594069, 75940605, 87623775, 96191433, 110990115, 126567675, 160319055, 184983525, 227821815, 267198425, 288574299, 332970345, 379703025, 480957165, 554950575, 801595275, 865722897, 1139109075, 1442871495, 1664851725, 2404785825, 4328614485, 7214357475, 21643072425]

約数ペア:

[(1, 21643072425), (3, 7214357475), (5, 4328614485), (9, 2404785825), (13, 1664851725), (15, 1442871495), (19, 1139109075), (25, 865722897), (27, 801595275), (39, 554950575), (45, 480957165), (57, 379703025), (65, 332970345), (75, 288574299), (81, 267198425), (95, 227821815), (117, 184983525), (135, 160319055), (171, 126567675), (195, 110990115), (225, 96191433), (247, 87623775), (285, 75940605), (325, 66594069), (351, 61661175), (405, 53439685), (475, 45564363), (513, 42189225), (585, 36996705), (675, 32063811), (741, 29207925), (855, 25313535), (975, 22198023), (1053, 20553725), (1235, 17524755), (1425, 15188121), (1539, 14063075), (1755, 12332235), (2025, 10687937), (2223, 9735975), (2565, 8437845), (2925, 7399341), (3705, 5841585), (4275, 5062707), (5265, 4110745), (6175, 3504951), (6669, 3245325), (7695, 2812615), (8775, 2466447), (11115, 1947195), (12825, 1687569), (18525, 1168317), (20007, 1081775), (26325, 822149), (33345, 649065), (38475, 562523), (43271, 500175), (55575, 389439), (100035, 216355), (129813, 166725)]