21959910

素因数分解:

$2^1\times 3^5\times 5^1\times 7^1\times {\mathrm{1291}}^1$

素因数の和:1320

約数の個数: 96

約数和(自身を含む): 67721472

約数和(自身を除く): 45761562

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 243, 270, 315, 378, 405, 486, 567, 630, 810, 945, 1134, 1215, 1291, 1701, 1890, 2430, 2582, 2835, 3402, 3873, 5670, 6455, 7746, 8505, 9037, 11619, 12910, 17010, 18074, 19365, 23238, 27111, 34857, 38730, 45185, 54222, 58095, 69714, 81333, 90370, 104571, 116190, 135555, 162666, 174285, 209142, 243999, 271110, 313713, 348570, 406665, 487998, 522855, 627426, 731997, 813330, 1045710, 1219995, 1463994, 1568565, 2195991, 2439990, 3137130, 3659985, 4391982, 7319970, 10979955, 21959910]

約数ペア:

[(1, 21959910), (2, 10979955), (3, 7319970), (5, 4391982), (6, 3659985), (7, 3137130), (9, 2439990), (10, 2195991), (14, 1568565), (15, 1463994), (18, 1219995), (21, 1045710), (27, 813330), (30, 731997), (35, 627426), (42, 522855), (45, 487998), (54, 406665), (63, 348570), (70, 313713), (81, 271110), (90, 243999), (105, 209142), (126, 174285), (135, 162666), (162, 135555), (189, 116190), (210, 104571), (243, 90370), (270, 81333), (315, 69714), (378, 58095), (405, 54222), (486, 45185), (567, 38730), (630, 34857), (810, 27111), (945, 23238), (1134, 19365), (1215, 18074), (1291, 17010), (1701, 12910), (1890, 11619), (2430, 9037), (2582, 8505), (2835, 7746), (3402, 6455), (3873, 5670)]