21868480

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1847}}^1$

素因数の和:1901

約数の個数: 56

約数和(自身を含む): 53510688

約数和(自身を除く): 31642208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 592, 740, 1184, 1480, 1847, 2368, 2960, 3694, 5920, 7388, 9235, 11840, 14776, 18470, 29552, 36940, 59104, 68339, 73880, 118208, 136678, 147760, 273356, 295520, 341695, 546712, 591040, 683390, 1093424, 1366780, 2186848, 2733560, 4373696, 5467120, 10934240, 21868480]

約数ペア:

[(1, 21868480), (2, 10934240), (4, 5467120), (5, 4373696), (8, 2733560), (10, 2186848), (16, 1366780), (20, 1093424), (32, 683390), (37, 591040), (40, 546712), (64, 341695), (74, 295520), (80, 273356), (148, 147760), (160, 136678), (185, 118208), (296, 73880), (320, 68339), (370, 59104), (592, 36940), (740, 29552), (1184, 18470), (1480, 14776), (1847, 11840), (2368, 9235), (2960, 7388), (3694, 5920)]