21967512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{571}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 63148800

約数和(自身を除く): 41181288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 229, 458, 571, 687, 916, 1142, 1374, 1603, 1713, 1832, 2284, 2748, 3206, 3426, 3997, 4568, 4809, 5496, 6412, 6852, 7994, 9618, 11991, 12824, 13704, 15988, 19236, 23982, 31976, 38472, 47964, 95928, 130759, 261518, 392277, 523036, 784554, 915313, 1046072, 1569108, 1830626, 2745939, 3138216, 3661252, 5491878, 7322504, 10983756, 21967512]

約数ペア:

[(1, 21967512), (2, 10983756), (3, 7322504), (4, 5491878), (6, 3661252), (7, 3138216), (8, 2745939), (12, 1830626), (14, 1569108), (21, 1046072), (24, 915313), (28, 784554), (42, 523036), (56, 392277), (84, 261518), (168, 130759), (229, 95928), (458, 47964), (571, 38472), (687, 31976), (916, 23982), (1142, 19236), (1374, 15988), (1603, 13704), (1713, 12824), (1832, 11991), (2284, 9618), (2748, 7994), (3206, 6852), (3426, 6412), (3997, 5496), (4568, 4809)]