21756482

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 40919040

約数和(自身を除く): 19162558

約数列:

[1, 2, 11, 19, 22, 23, 31, 38, 46, 62, 73, 146, 209, 253, 341, 418, 437, 506, 589, 682, 713, 803, 874, 1178, 1387, 1426, 1606, 1679, 2263, 2774, 3358, 4526, 4807, 6479, 7843, 9614, 12958, 13547, 15257, 15686, 18469, 24893, 27094, 30514, 31901, 36938, 42997, 49786, 52049, 63802, 85994, 104098, 149017, 298034, 350911, 472967, 572539, 701822, 945934, 988931, 1145078, 1977862, 10878241, 21756482]

約数ペア:

[(1, 21756482), (2, 10878241), (11, 1977862), (19, 1145078), (22, 988931), (23, 945934), (31, 701822), (38, 572539), (46, 472967), (62, 350911), (73, 298034), (146, 149017), (209, 104098), (253, 85994), (341, 63802), (418, 52049), (437, 49786), (506, 42997), (589, 36938), (682, 31901), (713, 30514), (803, 27094), (874, 24893), (1178, 18469), (1387, 15686), (1426, 15257), (1606, 13547), (1679, 12958), (2263, 9614), (2774, 7843), (3358, 6479), (4526, 4807)]