21821364

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 57177120

約数和(自身を除く): 35355756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 83, 109, 134, 166, 201, 218, 249, 268, 327, 332, 402, 436, 498, 603, 654, 747, 804, 981, 996, 1206, 1308, 1494, 1962, 2412, 2988, 3924, 5561, 7303, 9047, 11122, 14606, 16683, 18094, 21909, 22244, 27141, 29212, 33366, 36188, 43818, 50049, 54282, 65727, 66732, 81423, 87636, 100098, 108564, 131454, 162846, 200196, 262908, 325692, 606149, 1212298, 1818447, 2424596, 3636894, 5455341, 7273788, 10910682, 21821364]

約数ペア:

[(1, 21821364), (2, 10910682), (3, 7273788), (4, 5455341), (6, 3636894), (9, 2424596), (12, 1818447), (18, 1212298), (36, 606149), (67, 325692), (83, 262908), (109, 200196), (134, 162846), (166, 131454), (201, 108564), (218, 100098), (249, 87636), (268, 81423), (327, 66732), (332, 65727), (402, 54282), (436, 50049), (498, 43818), (603, 36188), (654, 33366), (747, 29212), (804, 27141), (981, 22244), (996, 21909), (1206, 18094), (1308, 16683), (1494, 14606), (1962, 11122), (2412, 9047), (2988, 7303), (3924, 5561)]