8821638

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1389

約数の個数: 48

約数和(自身を含む): 22273056

約数和(自身を除く): 13451418

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 477, 742, 954, 1113, 1321, 2226, 2642, 3339, 3963, 6678, 7926, 9247, 11889, 18494, 23778, 27741, 55482, 70013, 83223, 140026, 166446, 210039, 420078, 490091, 630117, 980182, 1260234, 1470273, 2940546, 4410819, 8821638]

約数ペア:

[(1, 8821638), (2, 4410819), (3, 2940546), (6, 1470273), (7, 1260234), (9, 980182), (14, 630117), (18, 490091), (21, 420078), (42, 210039), (53, 166446), (63, 140026), (106, 83223), (126, 70013), (159, 55482), (318, 27741), (371, 23778), (477, 18494), (742, 11889), (954, 9247), (1113, 7926), (1321, 6678), (2226, 3963), (2642, 3339)]