21967680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{467}}^1$

素因数の和:501

約数の個数: 168

約数和(自身を含む): 81308448

約数和(自身を除く): 59340768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 467, 480, 490, 560, 588, 672, 735, 784, 840, 934, 960, 980, 1120, 1176, 1344, 1401, 1470, 1568, 1680, 1868, 1960, 2240, 2335, 2352, 2802, 2940, 3136, 3269, 3360, 3736, 3920, 4670, 4704, 5604, 5880, 6538, 6720, 7005, 7472, 7840, 9340, 9408, 9807, 11208, 11760, 13076, 14010, 14944, 15680, 16345, 18680, 19614, 22416, 22883, 23520, 26152, 28020, 29888, 32690, 37360, 39228, 44832, 45766, 47040, 49035, 52304, 56040, 65380, 68649, 74720, 78456, 89664, 91532, 98070, 104608, 112080, 114415, 130760, 137298, 149440, 156912, 183064, 196140, 209216, 224160, 228830, 261520, 274596, 313824, 343245, 366128, 392280, 448320, 457660, 523040, 549192, 627648, 686490, 732256, 784560, 915320, 1046080, 1098384, 1372980, 1464512, 1569120, 1830640, 2196768, 2745960, 3138240, 3661280, 4393536, 5491920, 7322560, 10983840, 21967680]

約数ペア:

[(1, 21967680), (2, 10983840), (3, 7322560), (4, 5491920), (5, 4393536), (6, 3661280), (7, 3138240), (8, 2745960), (10, 2196768), (12, 1830640), (14, 1569120), (15, 1464512), (16, 1372980), (20, 1098384), (21, 1046080), (24, 915320), (28, 784560), (30, 732256), (32, 686490), (35, 627648), (40, 549192), (42, 523040), (48, 457660), (49, 448320), (56, 392280), (60, 366128), (64, 343245), (70, 313824), (80, 274596), (84, 261520), (96, 228830), (98, 224160), (105, 209216), (112, 196140), (120, 183064), (140, 156912), (147, 149440), (160, 137298), (168, 130760), (192, 114415), (196, 112080), (210, 104608), (224, 98070), (240, 91532), (245, 89664), (280, 78456), (294, 74720), (320, 68649), (336, 65380), (392, 56040), (420, 52304), (448, 49035), (467, 47040), (480, 45766), (490, 44832), (560, 39228), (588, 37360), (672, 32690), (735, 29888), (784, 28020), (840, 26152), (934, 23520), (960, 22883), (980, 22416), (1120, 19614), (1176, 18680), (1344, 16345), (1401, 15680), (1470, 14944), (1568, 14010), (1680, 13076), (1868, 11760), (1960, 11208), (2240, 9807), (2335, 9408), (2352, 9340), (2802, 7840), (2940, 7472), (3136, 7005), (3269, 6720), (3360, 6538), (3736, 5880), (3920, 5604), (4670, 4704)]