21053971064

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1723}}^1\times {\mathrm{1931}}^1$

素因数の和:3780

約数の個数: 64

約数和(自身を含む): 45564906240

約数和(自身を除く): 24510935176

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 226, 452, 791, 904, 1582, 1723, 1931, 3164, 3446, 3862, 6328, 6892, 7724, 12061, 13517, 13784, 15448, 24122, 27034, 48244, 54068, 96488, 108136, 194699, 218203, 389398, 436406, 778796, 872812, 1362893, 1527421, 1557592, 1745624, 2725786, 3054842, 3327113, 5451572, 6109684, 6654226, 10903144, 12219368, 13308452, 23289791, 26616904, 46579582, 93159164, 186318328, 375963769, 751927538, 1503855076, 2631746383, 3007710152, 5263492766, 10526985532, 21053971064]

約数ペア:

[(1, 21053971064), (2, 10526985532), (4, 5263492766), (7, 3007710152), (8, 2631746383), (14, 1503855076), (28, 751927538), (56, 375963769), (113, 186318328), (226, 93159164), (452, 46579582), (791, 26616904), (904, 23289791), (1582, 13308452), (1723, 12219368), (1931, 10903144), (3164, 6654226), (3446, 6109684), (3862, 5451572), (6328, 3327113), (6892, 3054842), (7724, 2725786), (12061, 1745624), (13517, 1557592), (13784, 1527421), (15448, 1362893), (24122, 872812), (27034, 778796), (48244, 436406), (54068, 389398), (96488, 218203), (108136, 194699)]