21617596

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5399}}^1$

素因数の和:5434

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 29185604

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 5399, 10798, 21596, 37793, 59389, 70187, 75586, 118778, 140374, 151172, 237556, 280748, 415723, 491309, 772057, 831446, 982618, 1544114, 1662892, 1965236, 3088228, 5404399, 10808798, 21617596]

約数ペア:

[(1, 21617596), (2, 10808798), (4, 5404399), (7, 3088228), (11, 1965236), (13, 1662892), (14, 1544114), (22, 982618), (26, 831446), (28, 772057), (44, 491309), (52, 415723), (77, 280748), (91, 237556), (143, 151172), (154, 140374), (182, 118778), (286, 75586), (308, 70187), (364, 59389), (572, 37793), (1001, 21596), (2002, 10798), (4004, 5399)]