21166824

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 63201600

約数和(自身を除く): 42034776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 49, 56, 82, 84, 98, 123, 147, 164, 168, 196, 246, 287, 294, 328, 392, 439, 492, 574, 588, 861, 878, 984, 1148, 1176, 1317, 1722, 1756, 2009, 2296, 2634, 3073, 3444, 3512, 4018, 5268, 6027, 6146, 6888, 8036, 9219, 10536, 12054, 12292, 16072, 17999, 18438, 21511, 24108, 24584, 35998, 36876, 43022, 48216, 53997, 64533, 71996, 73752, 86044, 107994, 125993, 129066, 143992, 172088, 215988, 251986, 258132, 377979, 431976, 503972, 516264, 755958, 881951, 1007944, 1511916, 1763902, 2645853, 3023832, 3527804, 5291706, 7055608, 10583412, 21166824]

約数ペア:

[(1, 21166824), (2, 10583412), (3, 7055608), (4, 5291706), (6, 3527804), (7, 3023832), (8, 2645853), (12, 1763902), (14, 1511916), (21, 1007944), (24, 881951), (28, 755958), (41, 516264), (42, 503972), (49, 431976), (56, 377979), (82, 258132), (84, 251986), (98, 215988), (123, 172088), (147, 143992), (164, 129066), (168, 125993), (196, 107994), (246, 86044), (287, 73752), (294, 71996), (328, 64533), (392, 53997), (439, 48216), (492, 43022), (574, 36876), (588, 35998), (861, 24584), (878, 24108), (984, 21511), (1148, 18438), (1176, 17999), (1317, 16072), (1722, 12292), (1756, 12054), (2009, 10536), (2296, 9219), (2634, 8036), (3073, 6888), (3444, 6146), (3512, 6027), (4018, 5268)]