21372448

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{10949}}^1$

素因数の和:11020

約数の個数: 24

約数和(自身を含む): 42770700

約数和(自身を除く): 21398252

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 10949, 21898, 43796, 87592, 175184, 350368, 667889, 1335778, 2671556, 5343112, 10686224, 21372448]

約数ペア:

[(1, 21372448), (2, 10686224), (4, 5343112), (8, 2671556), (16, 1335778), (32, 667889), (61, 350368), (122, 175184), (244, 87592), (488, 43796), (976, 21898), (1952, 10949)]