21678954

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1447}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 47540736

約数和(自身を除く): 25861782

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 227, 454, 681, 1362, 1447, 2497, 2894, 4341, 4994, 7491, 8682, 14982, 15917, 31834, 47751, 95502, 328469, 656938, 985407, 1970814, 3613159, 7226318, 10839477, 21678954]

約数ペア:

[(1, 21678954), (2, 10839477), (3, 7226318), (6, 3613159), (11, 1970814), (22, 985407), (33, 656938), (66, 328469), (227, 95502), (454, 47751), (681, 31834), (1362, 15917), (1447, 14982), (2497, 8682), (2894, 7491), (4341, 4994)]