21494550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1861}}^1$

素因数の和:1894

約数の個数: 96

約数和(自身を含む): 66495744

約数和(自身を除く): 45001194

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 25, 30, 33, 35, 42, 50, 55, 66, 70, 75, 77, 105, 110, 150, 154, 165, 175, 210, 231, 275, 330, 350, 385, 462, 525, 550, 770, 825, 1050, 1155, 1650, 1861, 1925, 2310, 3722, 3850, 5583, 5775, 9305, 11166, 11550, 13027, 18610, 20471, 26054, 27915, 39081, 40942, 46525, 55830, 61413, 65135, 78162, 93050, 102355, 122826, 130270, 139575, 143297, 195405, 204710, 279150, 286594, 307065, 325675, 390810, 429891, 511775, 614130, 651350, 716485, 859782, 977025, 1023550, 1432970, 1535325, 1954050, 2149455, 3070650, 3582425, 4298910, 7164850, 10747275, 21494550]

約数ペア:

[(1, 21494550), (2, 10747275), (3, 7164850), (5, 4298910), (6, 3582425), (7, 3070650), (10, 2149455), (11, 1954050), (14, 1535325), (15, 1432970), (21, 1023550), (22, 977025), (25, 859782), (30, 716485), (33, 651350), (35, 614130), (42, 511775), (50, 429891), (55, 390810), (66, 325675), (70, 307065), (75, 286594), (77, 279150), (105, 204710), (110, 195405), (150, 143297), (154, 139575), (165, 130270), (175, 122826), (210, 102355), (231, 93050), (275, 78162), (330, 65135), (350, 61413), (385, 55830), (462, 46525), (525, 40942), (550, 39081), (770, 27915), (825, 26054), (1050, 20471), (1155, 18610), (1650, 13027), (1861, 11550), (1925, 11166), (2310, 9305), (3722, 5775), (3850, 5583)]