21461976

素因数分解:

$2^3\times 3^3\times {\mathrm{67}}^1\times {\mathrm{1483}}^1$

素因数の和:1565

約数の個数: 64

約数和(自身を含む): 60547200

約数和(自身を除く): 39085224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 67, 72, 108, 134, 201, 216, 268, 402, 536, 603, 804, 1206, 1483, 1608, 1809, 2412, 2966, 3618, 4449, 4824, 5932, 7236, 8898, 11864, 13347, 14472, 17796, 26694, 35592, 40041, 53388, 80082, 99361, 106776, 160164, 198722, 298083, 320328, 397444, 596166, 794888, 894249, 1192332, 1788498, 2384664, 2682747, 3576996, 5365494, 7153992, 10730988, 21461976]

約数ペア:

[(1, 21461976), (2, 10730988), (3, 7153992), (4, 5365494), (6, 3576996), (8, 2682747), (9, 2384664), (12, 1788498), (18, 1192332), (24, 894249), (27, 794888), (36, 596166), (54, 397444), (67, 320328), (72, 298083), (108, 198722), (134, 160164), (201, 106776), (216, 99361), (268, 80082), (402, 53388), (536, 40041), (603, 35592), (804, 26694), (1206, 17796), (1483, 14472), (1608, 13347), (1809, 11864), (2412, 8898), (2966, 7236), (3618, 5932), (4449, 4824)]