21267974

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 40318560

約数和(自身を除く): 19050586

約数列:

[1, 2, 7, 13, 14, 26, 89, 91, 101, 169, 178, 182, 202, 338, 623, 707, 1157, 1183, 1246, 1313, 1414, 2314, 2366, 2626, 8099, 8989, 9191, 15041, 16198, 17069, 17978, 18382, 30082, 34138, 62923, 105287, 116857, 119483, 125846, 210574, 233714, 238966, 817999, 1519141, 1635998, 3038282, 10633987, 21267974]

約数ペア:

[(1, 21267974), (2, 10633987), (7, 3038282), (13, 1635998), (14, 1519141), (26, 817999), (89, 238966), (91, 233714), (101, 210574), (169, 125846), (178, 119483), (182, 116857), (202, 105287), (338, 62923), (623, 34138), (707, 30082), (1157, 18382), (1183, 17978), (1246, 17069), (1313, 16198), (1414, 15041), (2314, 9191), (2366, 8989), (2626, 8099)]