21273552

素因数分解:

$2^4\times 3^2\times {\mathrm{241}}^1\times {\mathrm{613}}^1$

素因数の和:868

約数の個数: 60

約数和(自身を含む): 59880964

約数和(自身を除く): 38607412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 241, 482, 613, 723, 964, 1226, 1446, 1839, 1928, 2169, 2452, 2892, 3678, 3856, 4338, 4904, 5517, 5784, 7356, 8676, 9808, 11034, 11568, 14712, 17352, 22068, 29424, 34704, 44136, 88272, 147733, 295466, 443199, 590932, 886398, 1181864, 1329597, 1772796, 2363728, 2659194, 3545592, 5318388, 7091184, 10636776, 21273552]

約数ペア:

[(1, 21273552), (2, 10636776), (3, 7091184), (4, 5318388), (6, 3545592), (8, 2659194), (9, 2363728), (12, 1772796), (16, 1329597), (18, 1181864), (24, 886398), (36, 590932), (48, 443199), (72, 295466), (144, 147733), (241, 88272), (482, 44136), (613, 34704), (723, 29424), (964, 22068), (1226, 17352), (1446, 14712), (1839, 11568), (1928, 11034), (2169, 9808), (2452, 8676), (2892, 7356), (3678, 5784), (3856, 5517), (4338, 4904)]