21959268

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 52704960

約数和(自身を除く): 30745692

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 131, 183, 229, 244, 262, 366, 393, 458, 524, 687, 732, 786, 916, 1374, 1572, 2748, 7991, 13969, 15982, 23973, 27938, 29999, 31964, 41907, 47946, 55876, 59998, 83814, 89997, 95892, 119996, 167628, 179994, 359988, 1829939, 3659878, 5489817, 7319756, 10979634, 21959268]

約数ペア:

[(1, 21959268), (2, 10979634), (3, 7319756), (4, 5489817), (6, 3659878), (12, 1829939), (61, 359988), (122, 179994), (131, 167628), (183, 119996), (229, 95892), (244, 89997), (262, 83814), (366, 59998), (393, 55876), (458, 47946), (524, 41907), (687, 31964), (732, 29999), (786, 27938), (916, 23973), (1374, 15982), (1572, 13969), (2748, 7991)]