21342645

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^2\times {\mathrm{89}}^1$

素因数の和:246

約数の個数: 36

約数和(自身を含む): 37929060

約数和(自身を除く): 16586415

約数列:

[1, 3, 5, 9, 15, 45, 73, 89, 219, 267, 365, 445, 657, 801, 1095, 1335, 3285, 4005, 5329, 6497, 15987, 19491, 26645, 32485, 47961, 58473, 79935, 97455, 239805, 292365, 474281, 1422843, 2371405, 4268529, 7114215, 21342645]

約数ペア:

[(1, 21342645), (3, 7114215), (5, 4268529), (9, 2371405), (15, 1422843), (45, 474281), (73, 292365), (89, 239805), (219, 97455), (267, 79935), (365, 58473), (445, 47961), (657, 32485), (801, 26645), (1095, 19491), (1335, 15987), (3285, 6497), (4005, 5329)]