21031858140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{941}}^1\times {\mathrm{8663}}^1$

素因数の和:9659

約数の個数: 96

約数和(自身を含む): 60329719296

約数和(自身を除く): 39297861156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 941, 1290, 1882, 2580, 2823, 3764, 4705, 5646, 8663, 9410, 11292, 14115, 17326, 18820, 25989, 28230, 34652, 40463, 43315, 51978, 56460, 80926, 86630, 103956, 121389, 129945, 161852, 173260, 202315, 242778, 259890, 372509, 404630, 485556, 519780, 606945, 745018, 809260, 1117527, 1213890, 1490036, 1862545, 2235054, 2427780, 3725090, 4470108, 5587635, 7450180, 8151883, 11175270, 16303766, 22350540, 24455649, 32607532, 40759415, 48911298, 81518830, 97822596, 122278245, 163037660, 244556490, 350530969, 489112980, 701061938, 1051592907, 1402123876, 1752654845, 2103185814, 3505309690, 4206371628, 5257964535, 7010619380, 10515929070, 21031858140]

約数ペア:

[(1, 21031858140), (2, 10515929070), (3, 7010619380), (4, 5257964535), (5, 4206371628), (6, 3505309690), (10, 2103185814), (12, 1752654845), (15, 1402123876), (20, 1051592907), (30, 701061938), (43, 489112980), (60, 350530969), (86, 244556490), (129, 163037660), (172, 122278245), (215, 97822596), (258, 81518830), (430, 48911298), (516, 40759415), (645, 32607532), (860, 24455649), (941, 22350540), (1290, 16303766), (1882, 11175270), (2580, 8151883), (2823, 7450180), (3764, 5587635), (4705, 4470108), (5646, 3725090), (8663, 2427780), (9410, 2235054), (11292, 1862545), (14115, 1490036), (17326, 1213890), (18820, 1117527), (25989, 809260), (28230, 745018), (34652, 606945), (40463, 519780), (43315, 485556), (51978, 404630), (56460, 372509), (80926, 259890), (86630, 242778), (103956, 202315), (121389, 173260), (129945, 161852)]