21364300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 49215600

約数和(自身を除く): 27851300

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 53, 58, 100, 106, 116, 139, 145, 212, 265, 278, 290, 530, 556, 580, 695, 725, 1060, 1325, 1390, 1450, 1537, 2650, 2780, 2900, 3074, 3475, 4031, 5300, 6148, 6950, 7367, 7685, 8062, 13900, 14734, 15370, 16124, 20155, 29468, 30740, 36835, 38425, 40310, 73670, 76850, 80620, 100775, 147340, 153700, 184175, 201550, 213643, 368350, 403100, 427286, 736700, 854572, 1068215, 2136430, 4272860, 5341075, 10682150, 21364300]

約数ペア:

[(1, 21364300), (2, 10682150), (4, 5341075), (5, 4272860), (10, 2136430), (20, 1068215), (25, 854572), (29, 736700), (50, 427286), (53, 403100), (58, 368350), (100, 213643), (106, 201550), (116, 184175), (139, 153700), (145, 147340), (212, 100775), (265, 80620), (278, 76850), (290, 73670), (530, 40310), (556, 38425), (580, 36835), (695, 30740), (725, 29468), (1060, 20155), (1325, 16124), (1390, 15370), (1450, 14734), (1537, 13900), (2650, 8062), (2780, 7685), (2900, 7367), (3074, 6950), (3475, 6148), (4031, 5300)]