21643410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11827}}^1$

素因数の和:11898

約数の個数: 32

約数和(自身を含む): 52800192

約数和(自身を除く): 31156782

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 11827, 23654, 35481, 59135, 70962, 118270, 177405, 354810, 721447, 1442894, 2164341, 3607235, 4328682, 7214470, 10821705, 21643410]

約数ペア:

[(1, 21643410), (2, 10821705), (3, 7214470), (5, 4328682), (6, 3607235), (10, 2164341), (15, 1442894), (30, 721447), (61, 354810), (122, 177405), (183, 118270), (305, 70962), (366, 59135), (610, 35481), (915, 23654), (1830, 11827)]