21680231010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{180263}}^1$

素因数の和:180503

約数の個数: 64

約数和(自身を含む): 55030993920

約数和(自身を除く): 33350762910

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 211, 285, 422, 570, 633, 1055, 1266, 2110, 3165, 4009, 6330, 8018, 12027, 20045, 24054, 40090, 60135, 120270, 180263, 360526, 540789, 901315, 1081578, 1802630, 2703945, 3424997, 5407890, 6849994, 10274991, 17124985, 20549982, 34249970, 38035493, 51374955, 76070986, 102749910, 114106479, 190177465, 228212958, 380354930, 570532395, 722674367, 1141064790, 1445348734, 2168023101, 3613371835, 4336046202, 7226743670, 10840115505, 21680231010]

約数ペア:

[(1, 21680231010), (2, 10840115505), (3, 7226743670), (5, 4336046202), (6, 3613371835), (10, 2168023101), (15, 1445348734), (19, 1141064790), (30, 722674367), (38, 570532395), (57, 380354930), (95, 228212958), (114, 190177465), (190, 114106479), (211, 102749910), (285, 76070986), (422, 51374955), (570, 38035493), (633, 34249970), (1055, 20549982), (1266, 17124985), (2110, 10274991), (3165, 6849994), (4009, 5407890), (6330, 3424997), (8018, 2703945), (12027, 1802630), (20045, 1081578), (24054, 901315), (40090, 540789), (60135, 360526), (120270, 180263)]