21822560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 55847232

約数和(自身を除く): 34024672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 71, 80, 85, 113, 136, 142, 160, 170, 226, 272, 284, 340, 355, 452, 544, 565, 568, 680, 710, 904, 1130, 1136, 1207, 1360, 1420, 1808, 1921, 2260, 2272, 2414, 2720, 2840, 3616, 3842, 4520, 4828, 5680, 6035, 7684, 8023, 9040, 9605, 9656, 11360, 12070, 15368, 16046, 18080, 19210, 19312, 24140, 30736, 32092, 38420, 38624, 40115, 48280, 61472, 64184, 76840, 80230, 96560, 128368, 136391, 153680, 160460, 193120, 256736, 272782, 307360, 320920, 545564, 641840, 681955, 1091128, 1283680, 1363910, 2182256, 2727820, 4364512, 5455640, 10911280, 21822560]

約数ペア:

[(1, 21822560), (2, 10911280), (4, 5455640), (5, 4364512), (8, 2727820), (10, 2182256), (16, 1363910), (17, 1283680), (20, 1091128), (32, 681955), (34, 641840), (40, 545564), (68, 320920), (71, 307360), (80, 272782), (85, 256736), (113, 193120), (136, 160460), (142, 153680), (160, 136391), (170, 128368), (226, 96560), (272, 80230), (284, 76840), (340, 64184), (355, 61472), (452, 48280), (544, 40115), (565, 38624), (568, 38420), (680, 32092), (710, 30736), (904, 24140), (1130, 19312), (1136, 19210), (1207, 18080), (1360, 16046), (1420, 15368), (1808, 12070), (1921, 11360), (2260, 9656), (2272, 9605), (2414, 9040), (2720, 8023), (2840, 7684), (3616, 6035), (3842, 5680), (4520, 4828)]