21384636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19583}}^1$

素因数の和:19610

約数の個数: 48

約数和(自身を含む): 61415424

約数和(自身を除く): 40030788

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19583, 39166, 58749, 78332, 117498, 137081, 234996, 254579, 274162, 411243, 509158, 548324, 763737, 822486, 1018316, 1527474, 1644972, 1782053, 3054948, 3564106, 5346159, 7128212, 10692318, 21384636]

約数ペア:

[(1, 21384636), (2, 10692318), (3, 7128212), (4, 5346159), (6, 3564106), (7, 3054948), (12, 1782053), (13, 1644972), (14, 1527474), (21, 1018316), (26, 822486), (28, 763737), (39, 548324), (42, 509158), (52, 411243), (78, 274162), (84, 254579), (91, 234996), (156, 137081), (182, 117498), (273, 78332), (364, 58749), (546, 39166), (1092, 19583)]