21315167944

素因数分解:

$2^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1\times {\mathrm{3413}}^1$

素因数の和:4142

約数の個数: 64

約数和(自身を含む): 45982483200

約数和(自身を除く): 24667315256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 229, 458, 487, 916, 974, 1603, 1832, 1948, 3206, 3409, 3413, 3896, 6412, 6818, 6826, 12824, 13636, 13652, 23891, 27272, 27304, 47782, 95564, 111523, 191128, 223046, 446092, 780661, 781577, 892184, 1561322, 1563154, 1662131, 3122644, 3126308, 3324262, 5471039, 6245288, 6252616, 6648524, 10942078, 11634917, 13297048, 21884156, 23269834, 43768312, 46539668, 93079336, 380627999, 761255998, 1522511996, 2664395993, 3045023992, 5328791986, 10657583972, 21315167944]

約数ペア:

[(1, 21315167944), (2, 10657583972), (4, 5328791986), (7, 3045023992), (8, 2664395993), (14, 1522511996), (28, 761255998), (56, 380627999), (229, 93079336), (458, 46539668), (487, 43768312), (916, 23269834), (974, 21884156), (1603, 13297048), (1832, 11634917), (1948, 10942078), (3206, 6648524), (3409, 6252616), (3413, 6245288), (3896, 5471039), (6412, 3324262), (6818, 3126308), (6826, 3122644), (12824, 1662131), (13636, 1563154), (13652, 1561322), (23891, 892184), (27272, 781577), (27304, 780661), (47782, 446092), (95564, 223046), (111523, 191128)]