21642810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14723}}^1$

素因数の和:14747

約数の個数: 48

約数和(自身を含む): 60427296

約数和(自身を除く): 38784486

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14723, 29446, 44169, 73615, 88338, 103061, 147230, 206122, 220845, 309183, 441690, 515305, 618366, 721427, 1030610, 1442854, 1545915, 2164281, 3091830, 3607135, 4328562, 7214270, 10821405, 21642810]

約数ペア:

[(1, 21642810), (2, 10821405), (3, 7214270), (5, 4328562), (6, 3607135), (7, 3091830), (10, 2164281), (14, 1545915), (15, 1442854), (21, 1030610), (30, 721427), (35, 618366), (42, 515305), (49, 441690), (70, 309183), (98, 220845), (105, 206122), (147, 147230), (210, 103061), (245, 88338), (294, 73615), (490, 44169), (735, 29446), (1470, 14723)]