21616254

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 52968960

約数和(自身を除く): 31352706

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 151, 198, 241, 297, 302, 453, 482, 594, 723, 906, 1359, 1446, 1661, 2169, 2651, 2718, 3322, 4077, 4338, 4983, 5302, 6507, 7953, 8154, 9966, 13014, 14949, 15906, 23859, 29898, 36391, 44847, 47718, 71577, 72782, 89694, 109173, 143154, 218346, 327519, 400301, 655038, 800602, 982557, 1200903, 1965114, 2401806, 3602709, 7205418, 10808127, 21616254]

約数ペア:

[(1, 21616254), (2, 10808127), (3, 7205418), (6, 3602709), (9, 2401806), (11, 1965114), (18, 1200903), (22, 982557), (27, 800602), (33, 655038), (54, 400301), (66, 327519), (99, 218346), (151, 143154), (198, 109173), (241, 89694), (297, 72782), (302, 71577), (453, 47718), (482, 44847), (594, 36391), (723, 29898), (906, 23859), (1359, 15906), (1446, 14949), (1661, 13014), (2169, 9966), (2651, 8154), (2718, 7953), (3322, 6507), (4077, 5302), (4338, 4983)]