21299557448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{60539}}^1$

素因数の和:60774

約数の個数: 64

約数和(自身を含む): 45768240000

約数和(自身を除く): 24468682552

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 199, 221, 398, 442, 796, 884, 1592, 1768, 2587, 3383, 5174, 6766, 10348, 13532, 20696, 27064, 43979, 60539, 87958, 121078, 175916, 242156, 351832, 484312, 787007, 1029163, 1574014, 2058326, 3148028, 4116652, 6296056, 8233304, 12047261, 13379119, 24094522, 26758238, 48189044, 53516476, 96378088, 107032952, 156614393, 204803437, 313228786, 409606874, 626457572, 819213748, 1252915144, 1638427496, 2662444681, 5324889362, 10649778724, 21299557448]

約数ペア:

[(1, 21299557448), (2, 10649778724), (4, 5324889362), (8, 2662444681), (13, 1638427496), (17, 1252915144), (26, 819213748), (34, 626457572), (52, 409606874), (68, 313228786), (104, 204803437), (136, 156614393), (199, 107032952), (221, 96378088), (398, 53516476), (442, 48189044), (796, 26758238), (884, 24094522), (1592, 13379119), (1768, 12047261), (2587, 8233304), (3383, 6296056), (5174, 4116652), (6766, 3148028), (10348, 2058326), (13532, 1574014), (20696, 1029163), (27064, 787007), (43979, 484312), (60539, 351832), (87958, 242156), (121078, 175916)]