21809969172

素因数分解:

$2^2\times 3^3\times {\mathrm{409}}^1\times {\mathrm{563}}^1\times {\mathrm{877}}^1$

素因数の和:1862

約数の個数: 96

約数和(自身を含む): 56848041600

約数和(自身を除く): 35038072428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 409, 563, 818, 877, 1126, 1227, 1636, 1689, 1754, 2252, 2454, 2631, 3378, 3508, 3681, 4908, 5067, 5262, 6756, 7362, 7893, 10134, 10524, 11043, 14724, 15201, 15786, 20268, 22086, 23679, 30402, 31572, 44172, 47358, 60804, 94716, 230267, 358693, 460534, 493751, 690801, 717386, 921068, 987502, 1076079, 1381602, 1434772, 1481253, 1975004, 2072403, 2152158, 2763204, 2962506, 3228237, 4144806, 4304316, 4443759, 5925012, 6217209, 6456474, 8289612, 8887518, 9684711, 12434418, 12912948, 13331277, 17775036, 19369422, 24868836, 26662554, 38738844, 53325108, 201944159, 403888318, 605832477, 807776636, 1211664954, 1817497431, 2423329908, 3634994862, 5452492293, 7269989724, 10904984586, 21809969172]

約数ペア:

[(1, 21809969172), (2, 10904984586), (3, 7269989724), (4, 5452492293), (6, 3634994862), (9, 2423329908), (12, 1817497431), (18, 1211664954), (27, 807776636), (36, 605832477), (54, 403888318), (108, 201944159), (409, 53325108), (563, 38738844), (818, 26662554), (877, 24868836), (1126, 19369422), (1227, 17775036), (1636, 13331277), (1689, 12912948), (1754, 12434418), (2252, 9684711), (2454, 8887518), (2631, 8289612), (3378, 6456474), (3508, 6217209), (3681, 5925012), (4908, 4443759), (5067, 4304316), (5262, 4144806), (6756, 3228237), (7362, 2962506), (7893, 2763204), (10134, 2152158), (10524, 2072403), (11043, 1975004), (14724, 1481253), (15201, 1434772), (15786, 1381602), (20268, 1076079), (22086, 987502), (23679, 921068), (30402, 717386), (31572, 690801), (44172, 493751), (47358, 460534), (60804, 358693), (94716, 230267)]