21070560

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6271}}^1$

素因数の和:6296

約数の個数: 96

約数和(自身を含む): 75866112

約数和(自身を除く): 54795552

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, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6271, 12542, 18813, 25084, 31355, 37626, 43897, 50168, 62710, 75252, 87794, 94065, 100336, 125420, 131691, 150504, 175588, 188130, 200672, 219485, 250840, 263382, 301008, 351176, 376260, 438970, 501680, 526764, 602016, 658455, 702352, 752520, 877940, 1003360, 1053528, 1316910, 1404704, 1505040, 1755880, 2107056, 2633820, 3010080, 3511760, 4214112, 5267640, 7023520, 10535280, 21070560]

約数ペア:

[(1, 21070560), (2, 10535280), (3, 7023520), (4, 5267640), (5, 4214112), (6, 3511760), (7, 3010080), (8, 2633820), (10, 2107056), (12, 1755880), (14, 1505040), (15, 1404704), (16, 1316910), (20, 1053528), (21, 1003360), (24, 877940), (28, 752520), (30, 702352), (32, 658455), (35, 602016), (40, 526764), (42, 501680), (48, 438970), (56, 376260), (60, 351176), (70, 301008), (80, 263382), (84, 250840), (96, 219485), (105, 200672), (112, 188130), (120, 175588), (140, 150504), (160, 131691), (168, 125420), (210, 100336), (224, 94065), (240, 87794), (280, 75252), (336, 62710), (420, 50168), (480, 43897), (560, 37626), (672, 31355), (840, 25084), (1120, 18813), (1680, 12542), (3360, 6271)]