21004596

素因数分解:

$2^2\times 3^4\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:526

約数の個数: 60

約数和(自身を含む): 55342980

約数和(自身を除く): 34338384

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 241, 269, 324, 482, 538, 723, 807, 964, 1076, 1446, 1614, 2169, 2421, 2892, 3228, 4338, 4842, 6507, 7263, 8676, 9684, 13014, 14526, 19521, 21789, 26028, 29052, 39042, 43578, 64829, 78084, 87156, 129658, 194487, 259316, 388974, 583461, 777948, 1166922, 1750383, 2333844, 3500766, 5251149, 7001532, 10502298, 21004596]

約数ペア:

[(1, 21004596), (2, 10502298), (3, 7001532), (4, 5251149), (6, 3500766), (9, 2333844), (12, 1750383), (18, 1166922), (27, 777948), (36, 583461), (54, 388974), (81, 259316), (108, 194487), (162, 129658), (241, 87156), (269, 78084), (324, 64829), (482, 43578), (538, 39042), (723, 29052), (807, 26028), (964, 21789), (1076, 19521), (1446, 14526), (1614, 13014), (2169, 9684), (2421, 8676), (2892, 7263), (3228, 6507), (4338, 4842)]