21007896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9619}}^1$

素因数の和:9648

約数の個数: 64

約数和(自身を含む): 64646400

約数和(自身を除く): 43638504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9619, 19238, 28857, 38476, 57714, 67333, 76952, 115428, 125047, 134666, 201999, 230856, 250094, 269332, 375141, 403998, 500188, 538664, 750282, 807996, 875329, 1000376, 1500564, 1615992, 1750658, 2625987, 3001128, 3501316, 5251974, 7002632, 10503948, 21007896]

約数ペア:

[(1, 21007896), (2, 10503948), (3, 7002632), (4, 5251974), (6, 3501316), (7, 3001128), (8, 2625987), (12, 1750658), (13, 1615992), (14, 1500564), (21, 1000376), (24, 875329), (26, 807996), (28, 750282), (39, 538664), (42, 500188), (52, 403998), (56, 375141), (78, 269332), (84, 250094), (91, 230856), (104, 201999), (156, 134666), (168, 125047), (182, 115428), (273, 76952), (312, 67333), (364, 57714), (546, 38476), (728, 28857), (1092, 19238), (2184, 9619)]