21354382

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 38232000

約数和(自身を除く): 16877618

約数列:

[1, 2, 7, 14, 29, 58, 149, 203, 298, 353, 406, 706, 1043, 2086, 2471, 4321, 4942, 8642, 10237, 20474, 30247, 52597, 60494, 71659, 105194, 143318, 368179, 736358, 1525313, 3050626, 10677191, 21354382]

約数ペア:

[(1, 21354382), (2, 10677191), (7, 3050626), (14, 1525313), (29, 736358), (58, 368179), (149, 143318), (203, 105194), (298, 71659), (353, 60494), (406, 52597), (706, 30247), (1043, 20474), (2086, 10237), (2471, 8642), (4321, 4942)]