21439566

素因数分解:

$2^1\times 3^4\times {\mathrm{89}}^1\times {\mathrm{1487}}^1$

素因数の和:1590

約数の個数: 40

約数和(自身を含む): 48612960

約数和(自身を除く): 27173394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 89, 162, 178, 267, 534, 801, 1487, 1602, 2403, 2974, 4461, 4806, 7209, 8922, 13383, 14418, 26766, 40149, 80298, 120447, 132343, 240894, 264686, 397029, 794058, 1191087, 2382174, 3573261, 7146522, 10719783, 21439566]

約数ペア:

[(1, 21439566), (2, 10719783), (3, 7146522), (6, 3573261), (9, 2382174), (18, 1191087), (27, 794058), (54, 397029), (81, 264686), (89, 240894), (162, 132343), (178, 120447), (267, 80298), (534, 40149), (801, 26766), (1487, 14418), (1602, 13383), (2403, 8922), (2974, 7209), (4461, 4806)]