21861294

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{40039}}^1$

素因数の和:40064

約数の個数: 32

約数和(自身を含む): 53813760

約数和(自身を除く): 31952466

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 40039, 80078, 120117, 240234, 280273, 520507, 560546, 840819, 1041014, 1561521, 1681638, 3123042, 3643549, 7287098, 10930647, 21861294]

約数ペア:

[(1, 21861294), (2, 10930647), (3, 7287098), (6, 3643549), (7, 3123042), (13, 1681638), (14, 1561521), (21, 1041014), (26, 840819), (39, 560546), (42, 520507), (78, 280273), (91, 240234), (182, 120117), (273, 80078), (546, 40039)]