21458268

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{3527}}^1$

素因数の和:3563

約数の個数: 54

約数和(自身を含む): 58751784

約数和(自身を除く): 37293516

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 3527, 6084, 7054, 10581, 14108, 21162, 31743, 42324, 45851, 63486, 91702, 126972, 137553, 183404, 275106, 412659, 550212, 596063, 825318, 1192126, 1650636, 1788189, 2384252, 3576378, 5364567, 7152756, 10729134, 21458268]

約数ペア:

[(1, 21458268), (2, 10729134), (3, 7152756), (4, 5364567), (6, 3576378), (9, 2384252), (12, 1788189), (13, 1650636), (18, 1192126), (26, 825318), (36, 596063), (39, 550212), (52, 412659), (78, 275106), (117, 183404), (156, 137553), (169, 126972), (234, 91702), (338, 63486), (468, 45851), (507, 42324), (676, 31743), (1014, 21162), (1521, 14108), (2028, 10581), (3042, 7054), (3527, 6084)]