21638344

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29723}}^1$

素因数の和:29749

約数の個数: 32

約数和(自身を含む): 49936320

約数和(自身を除く): 28297976

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29723, 59446, 118892, 208061, 237784, 386399, 416122, 772798, 832244, 1545596, 1664488, 2704793, 3091192, 5409586, 10819172, 21638344]

約数ペア:

[(1, 21638344), (2, 10819172), (4, 5409586), (7, 3091192), (8, 2704793), (13, 1664488), (14, 1545596), (26, 832244), (28, 772798), (52, 416122), (56, 386399), (91, 237784), (104, 208061), (182, 118892), (364, 59446), (728, 29723)]