21073792

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{2699}}^1$

素因数の和:2774

約数の個数: 32

約数和(自身を含む): 42687000

約数和(自身を除く): 21613208

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 2699, 3904, 5398, 7808, 10796, 21592, 43184, 86368, 164639, 172736, 329278, 345472, 658556, 1317112, 2634224, 5268448, 10536896, 21073792]

約数ペア:

[(1, 21073792), (2, 10536896), (4, 5268448), (8, 2634224), (16, 1317112), (32, 658556), (61, 345472), (64, 329278), (122, 172736), (128, 164639), (244, 86368), (488, 43184), (976, 21592), (1952, 10796), (2699, 7808), (3904, 5398)]