21319956

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28201}}^1$

素因数の和:28221

約数の個数: 48

約数和(自身を含む): 63172480

約数和(自身を除く): 41852524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28201, 56402, 84603, 112804, 169206, 197407, 253809, 338412, 394814, 507618, 592221, 761427, 789628, 1015236, 1184442, 1522854, 1776663, 2368884, 3045708, 3553326, 5329989, 7106652, 10659978, 21319956]

約数ペア:

[(1, 21319956), (2, 10659978), (3, 7106652), (4, 5329989), (6, 3553326), (7, 3045708), (9, 2368884), (12, 1776663), (14, 1522854), (18, 1184442), (21, 1015236), (27, 789628), (28, 761427), (36, 592221), (42, 507618), (54, 394814), (63, 338412), (84, 253809), (108, 197407), (126, 169206), (189, 112804), (252, 84603), (378, 56402), (756, 28201)]