21213786444

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{138251}}^1$

素因数の和:138950

約数の個数: 48

約数和(自身を含む): 52181834880

約数和(自身を除く): 30968048436

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 673, 1346, 2019, 2692, 4038, 8076, 12787, 25574, 38361, 51148, 76722, 138251, 153444, 276502, 414753, 553004, 829506, 1659012, 2626769, 5253538, 7880307, 10507076, 15760614, 31521228, 93042923, 186085846, 279128769, 372171692, 558257538, 1116515076, 1767815537, 3535631074, 5303446611, 7071262148, 10606893222, 21213786444]

約数ペア:

[(1, 21213786444), (2, 10606893222), (3, 7071262148), (4, 5303446611), (6, 3535631074), (12, 1767815537), (19, 1116515076), (38, 558257538), (57, 372171692), (76, 279128769), (114, 186085846), (228, 93042923), (673, 31521228), (1346, 15760614), (2019, 10507076), (2692, 7880307), (4038, 5253538), (8076, 2626769), (12787, 1659012), (25574, 829506), (38361, 553004), (51148, 414753), (76722, 276502), (138251, 153444)]